diff --git a/internal/handler/auth.go b/internal/handler/auth.go
index 4c1e342..550df29 100644
--- a/internal/handler/auth.go
+++ b/internal/handler/auth.go
@@ -199,8 +199,55 @@ func (h *authHandler) CompleteOnboarding(w http.ResponseWriter, r *http.Request)
 
 func (h *authHandler) JoinSpace(w http.ResponseWriter, r *http.Request) {
 	token := r.PathValue("token")
-	user := ctxkeys.User(r.Context())
 
+	invite, err := h.inviteService.GetByToken(token)
+	if err != nil {
+		slog.Warn("invite lookup failed", "error", err, "token", token)
+		ui.Render(w, r, pages.NotFound())
+		return
+	}
+
+	if invite.Invitation.Status != model.InvitationStatusPending || time.Now().After(invite.Invitation.ExpiresAt) {
+		ui.RenderError(w, r, "This invitation is no longer valid.", http.StatusGone)
+		return
+	}
+
+	user := ctxkeys.User(r.Context())
+	alreadyMember := false
+	if user != nil {
+		isMember, err := h.spaceService.IsMember(user.ID, invite.Invitation.SpaceID)
+		if err != nil {
+			slog.Error("failed to check membership", "error", err, "user_id", user.ID)
+		}
+		alreadyMember = isMember
+	}
+
+	ui.Render(w, r, pages.JoinSpaceConfirm(pages.JoinSpaceConfirmProps{
+		Token:         token,
+		SpaceName:     invite.SpaceName,
+		InviterName:   invite.InviterName,
+		InviteeEmail:  invite.Invitation.Email,
+		IsAuthed:      user != nil,
+		AlreadyMember: alreadyMember,
+	}))
+}
+
+func (h *authHandler) AcceptInvite(w http.ResponseWriter, r *http.Request) {
+	token := r.PathValue("token")
+
+	invite, err := h.inviteService.GetByToken(token)
+	if err != nil {
+		slog.Warn("invite lookup failed", "error", err, "token", token)
+		ui.Render(w, r, pages.NotFound())
+		return
+	}
+
+	if invite.Invitation.Status != model.InvitationStatusPending || time.Now().After(invite.Invitation.ExpiresAt) {
+		ui.RenderError(w, r, "This invitation is no longer valid.", http.StatusGone)
+		return
+	}
+
+	user := ctxkeys.User(r.Context())
 	if user != nil {
 		spaceID, err := h.inviteService.AcceptInvite(token, user.ID)
 		if err != nil {
@@ -208,12 +255,11 @@ func (h *authHandler) JoinSpace(w http.ResponseWriter, r *http.Request) {
 			ui.RenderError(w, r, "Failed to join space: "+err.Error(), http.StatusUnprocessableEntity)
 			return
 		}
-
-		http.Redirect(w, r, "/app/spaces/"+spaceID, http.StatusSeeOther)
+		http.Redirect(w, r, "/app/spaces/"+spaceID+"/overview", http.StatusSeeOther)
 		return
 	}
 
-	// Not logged in: set cookie and redirect to auth
+	// Not logged in: set cookie and redirect to auth so they can log in or sign up
 	http.SetCookie(w, &http.Cookie{
 		Name:     "pending_invite",
 		Value:    token,
@@ -222,5 +268,5 @@ func (h *authHandler) JoinSpace(w http.ResponseWriter, r *http.Request) {
 		HttpOnly: true,
 		SameSite: http.SameSiteLaxMode,
 	})
-	http.Redirect(w, r, "/auth?invite=true", http.StatusTemporaryRedirect)
+	http.Redirect(w, r, "/auth?invite=true", http.StatusSeeOther)
 }
diff --git a/internal/handler/space.go b/internal/handler/space.go
index 5ab7921..192ca67 100644
--- a/internal/handler/space.go
+++ b/internal/handler/space.go
@@ -1,6 +1,7 @@
 package handler
 
 import (
+	"errors"
 	"log/slog"
 	"net/http"
 	"strconv"
@@ -15,6 +16,7 @@ import (
 	"git.juancwu.dev/juancwu/budgit/internal/ui/blocks"
 	"git.juancwu.dev/juancwu/budgit/internal/ui/forms"
 	"git.juancwu.dev/juancwu/budgit/internal/ui/pages"
+	"git.juancwu.dev/juancwu/budgit/internal/validation"
 	"github.com/shopspring/decimal"
 )
 
@@ -22,17 +24,20 @@ type spaceHandler struct {
 	spaceService       *service.SpaceService
 	accountService     *service.AccountService
 	transactionService *service.TransactionService
+	inviteService      *service.InviteService
 }
 
 func NewSpaceHandler(
 	spaceService *service.SpaceService,
 	accountService *service.AccountService,
 	transactionService *service.TransactionService,
+	inviteService *service.InviteService,
 ) *spaceHandler {
 	return &spaceHandler{
 		spaceService:       spaceService,
 		accountService:     accountService,
 		transactionService: transactionService,
+		inviteService:      inviteService,
 	}
 }
 
@@ -451,6 +456,158 @@ func (h *spaceHandler) HandleDeleteSpace(w http.ResponseWriter, r *http.Request)
 	w.WriteHeader(http.StatusOK)
 }
 
+func (h *spaceHandler) SpaceMembersPage(w http.ResponseWriter, r *http.Request) {
+	spaceID := r.PathValue("spaceID")
+
+	space, err := h.spaceService.GetSpace(spaceID)
+	if err != nil {
+		slog.Error("failed to load space", "error", err, "space_id", spaceID)
+		ui.Render(w, r, pages.NotFound())
+		return
+	}
+
+	members, err := h.spaceService.GetMembers(spaceID)
+	if err != nil {
+		slog.Error("failed to load members", "error", err, "space_id", spaceID)
+		ui.RenderError(w, r, "Failed to load members", http.StatusInternalServerError)
+		return
+	}
+
+	pending, err := h.inviteService.GetPendingInvites(spaceID)
+	if err != nil {
+		slog.Error("failed to load pending invites", "error", err, "space_id", spaceID)
+		pending = nil
+	}
+
+	user := ctxkeys.User(r.Context())
+	currentUserID := ""
+	if user != nil {
+		currentUserID = user.ID
+	}
+	isOwner := user != nil && user.ID == space.OwnerID
+
+	ui.Render(w, r, pages.SpaceMembersPage(pages.SpaceMembersPageProps{
+		SpaceID:        space.ID,
+		SpaceName:      space.Name,
+		OwnerID:        space.OwnerID,
+		CurrentUserID:  currentUserID,
+		IsOwner:        isOwner,
+		Members:        members,
+		PendingInvites: pending,
+		InviteForm:     forms.InviteMemberProps{SpaceID: space.ID},
+	}))
+}
+
+func (h *spaceHandler) HandleInviteMember(w http.ResponseWriter, r *http.Request) {
+	spaceID := r.PathValue("spaceID")
+
+	space, err := h.spaceService.GetSpace(spaceID)
+	if err != nil {
+		ui.RenderError(w, r, "Space not found", http.StatusNotFound)
+		return
+	}
+
+	user := ctxkeys.User(r.Context())
+	if user == nil || user.ID != space.OwnerID {
+		ui.RenderError(w, r, "Forbidden", http.StatusForbidden)
+		return
+	}
+
+	emailInput := strings.TrimSpace(r.FormValue("email"))
+	formProps := forms.InviteMemberProps{
+		SpaceID: spaceID,
+		Email:   emailInput,
+	}
+
+	if emailInput == "" {
+		formProps.EmailErr = "Email is required."
+		ui.Render(w, r, forms.InviteMember(formProps))
+		return
+	}
+	if err := validation.ValidateEmail(emailInput); err != nil {
+		formProps.EmailErr = "Enter a valid email address."
+		ui.Render(w, r, forms.InviteMember(formProps))
+		return
+	}
+
+	if _, err := h.inviteService.CreateInvite(spaceID, user.ID, emailInput); err != nil {
+		switch {
+		case errors.Is(err, service.ErrInviteSelf):
+			formProps.EmailErr = "You can't invite yourself."
+		case errors.Is(err, service.ErrInviteAlreadyMember):
+			formProps.EmailErr = "This person is already a member."
+		case errors.Is(err, service.ErrInviteAlreadyPending):
+			formProps.EmailErr = "An invitation is already pending for this email."
+		default:
+			slog.Error("failed to create invite", "error", err, "space_id", spaceID)
+			formProps.GeneralErr = "Something went wrong. Please try again."
+		}
+		ui.Render(w, r, forms.InviteMember(formProps))
+		return
+	}
+
+	formProps.Email = ""
+	formProps.SuccessMsg = "Invitation sent to " + emailInput + "."
+	w.Header().Set("HX-Trigger", "members:refresh")
+	ui.Render(w, r, forms.InviteMember(formProps))
+}
+
+func (h *spaceHandler) HandleRemoveMember(w http.ResponseWriter, r *http.Request) {
+	spaceID := r.PathValue("spaceID")
+	userID := r.PathValue("userID")
+
+	space, err := h.spaceService.GetSpace(spaceID)
+	if err != nil {
+		ui.RenderError(w, r, "Space not found", http.StatusNotFound)
+		return
+	}
+
+	user := ctxkeys.User(r.Context())
+	if user == nil || user.ID != space.OwnerID {
+		ui.RenderError(w, r, "Forbidden", http.StatusForbidden)
+		return
+	}
+	if userID == space.OwnerID {
+		ui.RenderError(w, r, "Cannot remove the owner", http.StatusBadRequest)
+		return
+	}
+
+	if err := h.spaceService.RemoveMember(spaceID, userID); err != nil {
+		slog.Error("failed to remove member", "error", err, "space_id", spaceID, "user_id", userID)
+		ui.RenderError(w, r, "Failed to remove member", http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("HX-Refresh", "true")
+	w.WriteHeader(http.StatusOK)
+}
+
+func (h *spaceHandler) HandleCancelInvite(w http.ResponseWriter, r *http.Request) {
+	spaceID := r.PathValue("spaceID")
+	token := r.PathValue("token")
+
+	space, err := h.spaceService.GetSpace(spaceID)
+	if err != nil {
+		ui.RenderError(w, r, "Space not found", http.StatusNotFound)
+		return
+	}
+
+	user := ctxkeys.User(r.Context())
+	if user == nil || user.ID != space.OwnerID {
+		ui.RenderError(w, r, "Forbidden", http.StatusForbidden)
+		return
+	}
+
+	if err := h.inviteService.CancelInvite(token); err != nil {
+		slog.Error("failed to cancel invite", "error", err, "token", token)
+		ui.RenderError(w, r, "Failed to cancel invitation", http.StatusInternalServerError)
+		return
+	}
+
+	w.Header().Set("HX-Refresh", "true")
+	w.WriteHeader(http.StatusOK)
+}
+
 func (h *spaceHandler) SpaceAccountSettingsPage(w http.ResponseWriter, r *http.Request) {
 	spaceID := r.PathValue("spaceID")
 	accountID := r.PathValue("accountID")
diff --git a/internal/routes/routes.go b/internal/routes/routes.go
index 52d63ea..a02fccd 100644
--- a/internal/routes/routes.go
+++ b/internal/routes/routes.go
@@ -19,7 +19,7 @@ func SetupRoutes(a *app.App) http.Handler {
 	authH := handler.NewAuthHandler(a.AuthService, a.InviteService, a.SpaceService)
 	homeH := handler.NewHomeHandler()
 	settingsH := handler.NewSettingsHandler(a.AuthService, a.UserService)
-	spaceH := handler.NewSpaceHandler(a.SpaceService, a.AccountService, a.TransactionService)
+	spaceH := handler.NewSpaceHandler(a.SpaceService, a.AccountService, a.TransactionService, a.InviteService)
 	redirectH := handler.NewRedirectHandler()
 
 	r := router.New()
@@ -54,6 +54,7 @@ func SetupRoutes(a *app.App) http.Handler {
 	r.Get("/privacy", homeH.PrivacyPage).Name("page.public.privacy")
 	r.Get("/terms", homeH.TermsPage).Name("page.public.terms")
 	r.Get("/join/{token}", authH.JoinSpace).Name("page.public.join-space")
+	r.Post("/join/{token}/accept", authH.AcceptInvite).Name("action.public.join-space.accept")
 
 	// Permanent redirects
 	r.Get("/app/dashboard", redirectH.Spaces)
@@ -95,6 +96,10 @@ func SetupRoutes(a *app.App) http.Handler {
 				g.Get("/settings", spaceH.SpaceSettingsPage).Name("page.app.spaces.space.settings")
 				g.Post("/settings/rename", spaceH.HandleRenameSpace).Name("action.app.spaces.space.settings.rename")
 				g.Post("/settings/delete", spaceH.HandleDeleteSpace).Name("action.app.spaces.space.settings.delete")
+				g.Get("/members", spaceH.SpaceMembersPage).Name("page.app.spaces.space.members")
+				g.Post("/members/invite", spaceH.HandleInviteMember).Name("action.app.spaces.space.members.invite")
+				g.Post("/members/{userID}/remove", spaceH.HandleRemoveMember).Name("action.app.spaces.space.members.remove")
+				g.Post("/invitations/{token}/cancel", spaceH.HandleCancelInvite).Name("action.app.spaces.space.invitations.cancel")
 				g.Get("/accounts/create", spaceH.SpaceCreateAccountPage).Name("page.app.spaces.space.accounts.create")
 				g.Post("/accounts/create", spaceH.HandleCreateAccount).Name("action.app.spaces.space.accounts.create")
 
diff --git a/internal/service/invite.go b/internal/service/invite.go
index d281c15..574b419 100644
--- a/internal/service/invite.go
+++ b/internal/service/invite.go
@@ -2,6 +2,7 @@ package service
 
 import (
 	"errors"
+	"strings"
 	"time"
 
 	"git.juancwu.dev/juancwu/budgit/internal/model"
@@ -9,6 +10,12 @@ import (
 	"github.com/google/uuid"
 )
 
+var (
+	ErrInviteAlreadyMember  = errors.New("user is already a member of this space")
+	ErrInviteAlreadyPending = errors.New("an invitation is already pending for this email")
+	ErrInviteSelf           = errors.New("you cannot invite yourself")
+)
+
 type InviteService struct {
 	inviteRepo repository.InvitationRepository
 	spaceRepo  repository.SpaceRepository
@@ -26,12 +33,40 @@ func NewInviteService(ir repository.InvitationRepository, sr repository.SpaceRep
 }
 
 func (s *InviteService) CreateInvite(spaceID, inviterID, email string) (*model.SpaceInvitation, error) {
+	email = strings.ToLower(strings.TrimSpace(email))
+
 	// Check if space exists
 	space, err := s.spaceRepo.ByID(spaceID)
 	if err != nil {
 		return nil, err
 	}
 
+	// Block inviting an already-existing member
+	if existingUser, err := s.userRepo.ByEmail(email); err == nil && existingUser != nil {
+		if existingUser.ID == inviterID {
+			return nil, ErrInviteSelf
+		}
+		isMember, err := s.spaceRepo.IsMember(spaceID, existingUser.ID)
+		if err != nil {
+			return nil, err
+		}
+		if isMember {
+			return nil, ErrInviteAlreadyMember
+		}
+	}
+
+	// Block duplicate pending invites for the same email
+	existing, err := s.inviteRepo.GetBySpaceID(spaceID)
+	if err != nil {
+		return nil, err
+	}
+	now := time.Now()
+	for _, inv := range existing {
+		if inv.Status == model.InvitationStatusPending && strings.EqualFold(inv.Email, email) && inv.ExpiresAt.After(now) {
+			return nil, ErrInviteAlreadyPending
+		}
+	}
+
 	token := uuid.NewString() // Or a more secure token generator
 	expiresAt := time.Now().Add(48 * time.Hour)
 
@@ -101,6 +136,39 @@ func (s *InviteService) CancelInvite(token string) error {
 	return s.inviteRepo.Delete(token)
 }
 
+type InviteContext struct {
+	Invitation  *model.SpaceInvitation
+	SpaceName   string
+	InviterName string
+}
+
+func (s *InviteService) GetByToken(token string) (*InviteContext, error) {
+	invite, err := s.inviteRepo.GetByToken(token)
+	if err != nil {
+		return nil, err
+	}
+
+	space, err := s.spaceRepo.ByID(invite.SpaceID)
+	if err != nil {
+		return nil, err
+	}
+
+	inviterName := "Someone"
+	if inviter, err := s.userRepo.ByID(invite.InviterID); err == nil && inviter != nil {
+		if inviter.Name != nil && *inviter.Name != "" {
+			inviterName = *inviter.Name
+		} else {
+			inviterName = inviter.Email
+		}
+	}
+
+	return &InviteContext{
+		Invitation:  invite,
+		SpaceName:   space.Name,
+		InviterName: inviterName,
+	}, nil
+}
+
 func (s *InviteService) GetPendingInvites(spaceID string) ([]*model.SpaceInvitation, error) {
 	// Filter for pending only in memory or repo?
 	// Repo returns all.
diff --git a/internal/ui/forms/invite_member.templ b/internal/ui/forms/invite_member.templ
new file mode 100644
index 0000000..c3ec5e0
--- /dev/null
+++ b/internal/ui/forms/invite_member.templ
@@ -0,0 +1,68 @@
+package forms
+
+import "git.juancwu.dev/juancwu/budgit/internal/routeurl"
+import "git.juancwu.dev/juancwu/budgit/internal/ui/components/button"
+import "git.juancwu.dev/juancwu/budgit/internal/ui/components/form"
+import "git.juancwu.dev/juancwu/budgit/internal/ui/components/input"
+
+type InviteMemberProps struct {
+	SpaceID string
+
+	Email string
+
+	EmailErr   string
+	GeneralErr string
+	SuccessMsg string
+}
+
+templ InviteMember(props InviteMemberProps) {
+	<form
+		id="invite-member-form"
+		hx-post={ routeurl.URL("action.app.spaces.space.members.invite", "spaceID", props.SpaceID) }
+		hx-swap="outerHTML"
+	>
+		<div class="space-y-4">
+			if props.GeneralErr != "" {
+				@form.Message(form.MessageProps{Variant: form.MessageVariantError}) {
+					{ props.GeneralErr }
+				}
+			}
+			if props.SuccessMsg != "" {
+				@form.Message(form.MessageProps{Variant: form.MessageVariantInfo}) {
+					{ props.SuccessMsg }
+				}
+			}
+			<div class="flex flex-col sm:flex-row gap-2">
+				@form.Item(form.ItemProps{Class: "flex-1"}) {
+					@form.Label(form.LabelProps{For: "email", Class: "sr-only"}) {
+						Email
+					}
+					@input.Input(input.Props{
+						ID:          "email",
+						Name:        "email",
+						Type:        input.TypeEmail,
+						Placeholder: "person@example.com",
+						Class:       "rounded-sm",
+						Value:       props.Email,
+						HasError:    props.EmailErr != "",
+						Required:    true,
+						Attributes: templ.Attributes{
+							"autocomplete": "off",
+						},
+					})
+					if props.EmailErr != "" {
+						@form.Message(form.MessageProps{Variant: form.MessageVariantError}) {
+							{ props.EmailErr }
+						}
+					}
+				}
+				@button.Button(button.Props{Type: button.TypeSubmit, Class: "shrink-0"}) {
+					Send invitation
+				}
+			</div>
+			<p class="text-xs text-muted-foreground">
+				The recipient will get an email with a link to join. They can review the invitation before deciding to join, and create an account if they don't have one yet.
+			</p>
+		</div>
+	</form>
+}
diff --git a/internal/ui/pages/join_space.templ b/internal/ui/pages/join_space.templ
new file mode 100644
index 0000000..a53e6ee
--- /dev/null
+++ b/internal/ui/pages/join_space.templ
@@ -0,0 +1,75 @@
+package pages
+
+import "git.juancwu.dev/juancwu/budgit/internal/ctxkeys"
+import "git.juancwu.dev/juancwu/budgit/internal/ui/blocks"
+import "git.juancwu.dev/juancwu/budgit/internal/ui/components/button"
+import "git.juancwu.dev/juancwu/budgit/internal/ui/components/card"
+import "git.juancwu.dev/juancwu/budgit/internal/ui/components/csrf"
+import "git.juancwu.dev/juancwu/budgit/internal/ui/layouts"
+
+type JoinSpaceConfirmProps struct {
+	Token         string
+	SpaceName     string
+	InviterName   string
+	InviteeEmail  string
+	IsAuthed      bool
+	AlreadyMember bool
+}
+
+templ JoinSpaceConfirm(props JoinSpaceConfirmProps) {
+	@layouts.Base(layouts.SEOProps{
+		Title:       "Join " + props.SpaceName,
+		Description: "Accept invitation to join a space.",
+		Path:        ctxkeys.URLPath(ctx),
+	}) {
+		<div class="min-h-screen flex items-center justify-center p-4 relative">
+			<div class="absolute top-4 right-4 z-10">
+				@blocks.ThemeSwitcher()
+			</div>
+			<div class="w-full max-w-md">
+				@card.Card(card.Props{Class: "rounded-sm"}) {
+					@card.Header() {
+						@card.Title() {
+							You're invited
+						}
+						@card.Description() {
+							{ props.InviterName } has invited you to join <span class="font-medium text-foreground">{ props.SpaceName }</span>.
+						}
+					}
+					@card.Content(card.ContentProps{Class: "space-y-3"}) {
+						<p class="text-sm text-muted-foreground">
+							Invitation sent to <span class="text-foreground">{ props.InviteeEmail }</span>.
+						</p>
+						if props.AlreadyMember {
+							<p class="text-sm">You're already a member of this space.</p>
+						} else if !props.IsAuthed {
+							<p class="text-sm text-muted-foreground">
+								You'll need to sign in or create an account to continue.
+							</p>
+						}
+					}
+					@card.Footer(card.FooterProps{Class: "flex justify-end gap-2"}) {
+						@button.Button(button.Props{
+							Variant: button.VariantGhost,
+							Href:    "/",
+						}) {
+							Cancel
+						}
+						if !props.AlreadyMember {
+							<form action={ templ.SafeURL("/join/" + props.Token + "/accept") } method="POST" class="contents">
+								@csrf.Token()
+								@button.Button(button.Props{Type: button.TypeSubmit}) {
+									if props.IsAuthed {
+										Join Space
+									} else {
+										Continue to sign in
+									}
+								}
+							</form>
+						}
+					}
+				}
+			</div>
+		</div>
+	}
+}
diff --git a/internal/ui/pages/space_members.templ b/internal/ui/pages/space_members.templ
new file mode 100644
index 0000000..62a0844
--- /dev/null
+++ b/internal/ui/pages/space_members.templ
@@ -0,0 +1,190 @@
+package pages
+
+import "strconv"
+import "strings"
+
+import "git.juancwu.dev/juancwu/budgit/internal/model"
+import "git.juancwu.dev/juancwu/budgit/internal/routeurl"
+import "git.juancwu.dev/juancwu/budgit/internal/ui/forms"
+import "git.juancwu.dev/juancwu/budgit/internal/ui/layouts"
+import "git.juancwu.dev/juancwu/budgit/internal/ui/components/button"
+import "git.juancwu.dev/juancwu/budgit/internal/ui/components/card"
+import "git.juancwu.dev/juancwu/budgit/internal/ui/components/dialog"
+import "git.juancwu.dev/juancwu/budgit/internal/ui/components/icon"
+
+type SpaceMembersPageProps struct {
+	SpaceID        string
+	SpaceName      string
+	OwnerID        string
+	CurrentUserID  string
+	IsOwner        bool
+	Members        []*model.SpaceMemberWithProfile
+	PendingInvites []*model.SpaceInvitation
+	InviteForm     forms.InviteMemberProps
+}
+
+templ SpaceMembersPage(props SpaceMembersPageProps) {
+	@layouts.AppWithBreadcrumb(
+		"Members",
+		spaceChildBreadcrumb(props.SpaceID, props.SpaceName, "Members"),
+		spaceOverviewSidebarContent(),
+		spaceSpecificSidebarContent(props.SpaceID),
+	) {
+		<div class="container max-w-3xl px-6 py-8 mx-auto space-y-8">
+			<div>
+				<h1 class="text-3xl font-bold">Members</h1>
+				<p class="text-muted-foreground mt-2">
+					Manage who has access to { props.SpaceName }.
+				</p>
+			</div>
+			if props.IsOwner {
+				@card.Card(card.Props{Class: "rounded-sm"}) {
+					@card.Header() {
+						@card.Title() {
+							Invite a member
+						}
+						@card.Description() {
+							Send an invitation by email.
+						}
+					}
+					@card.Content() {
+						@forms.InviteMember(props.InviteForm)
+					}
+				}
+			}
+			@card.Card(card.Props{Class: "rounded-sm"}) {
+				@card.Header() {
+					@card.Title() {
+						{ memberCountLabel(len(props.Members)) }
+					}
+				}
+				@card.Content() {
+					<ul class="divide-y">
+						for _, m := range props.Members {
+							@memberRow(props, m)
+						}
+					</ul>
+				}
+			}
+			if len(props.PendingInvites) > 0 {
+				@card.Card(card.Props{Class: "rounded-sm"}) {
+					@card.Header() {
+						@card.Title() {
+							Pending invitations
+						}
+						@card.Description() {
+							These people have been invited but haven't joined yet.
+						}
+					}
+					@card.Content() {
+						<ul class="divide-y">
+							for _, inv := range props.PendingInvites {
+								@pendingInviteRow(props, inv)
+							}
+						</ul>
+					}
+				}
+			}
+		</div>
+	}
+}
+
+func memberCountLabel(n int) string {
+	if n == 1 {
+		return "1 member"
+	}
+	return strconv.Itoa(n) + " members"
+}
+
+templ memberRow(props SpaceMembersPageProps, m *model.SpaceMemberWithProfile) {
+	{{
+		display := m.Email
+		if m.Name != nil && *m.Name != "" {
+			display = *m.Name
+		}
+		initial := "?"
+		if display != "" {
+			initial = strings.ToUpper(string(display[0]))
+		}
+		isOwner := m.UserID == props.OwnerID
+		isSelf := m.UserID == props.CurrentUserID
+		canRemove := props.IsOwner && !isOwner && !isSelf
+	}}
+	<li class="flex items-center justify-between gap-4 py-3">
+		<div class="flex items-center gap-3 min-w-0">
+			<div class="w-9 h-9 shrink-0 rounded-full bg-muted flex items-center justify-center font-medium">
+				{ initial }
+			</div>
+			<div class="min-w-0">
+				<p class="font-medium truncate">{ display }</p>
+				<p class="text-xs text-muted-foreground truncate">{ m.Email }</p>
+			</div>
+		</div>
+		<div class="flex items-center gap-3 shrink-0">
+			<span class="text-xs text-muted-foreground capitalize">{ string(m.Role) }</span>
+			if canRemove {
+				@dialog.Dialog() {
+					@dialog.Trigger() {
+						@button.Button(button.Props{
+							Variant: button.VariantGhost,
+							Size:    button.SizeIcon,
+							Attributes: templ.Attributes{"aria-label": "Remove member"},
+						}) {
+							@icon.Trash2(icon.Props{Class: "size-4 text-destructive"})
+						}
+					}
+					@dialog.Content() {
+						@dialog.Header() {
+							@dialog.Title() {
+								Remove { display }?
+							}
+							@dialog.Description() {
+								They'll lose access to this space immediately. You can re-invite them later.
+							}
+						}
+						@dialog.Footer(dialog.FooterProps{Class: "mt-2"}) {
+							@dialog.Close() {
+								@button.Button(button.Props{Variant: button.VariantOutline}) {
+									Cancel
+								}
+							}
+							<form hx-post={ routeurl.URL("action.app.spaces.space.members.remove", "spaceID", props.SpaceID, "userID", m.UserID) }>
+								@button.Button(button.Props{
+									Type:    button.TypeSubmit,
+									Variant: button.VariantDestructive,
+								}) {
+									Remove
+								}
+							</form>
+						}
+					}
+				}
+			}
+		</div>
+	</li>
+}
+
+templ pendingInviteRow(props SpaceMembersPageProps, inv *model.SpaceInvitation) {
+	<li class="flex items-center justify-between gap-4 py-3">
+		<div class="flex items-center gap-3 min-w-0">
+			<div class="w-9 h-9 shrink-0 rounded-full bg-muted flex items-center justify-center">
+				@icon.Mail(icon.Props{Class: "size-4 text-muted-foreground"})
+			</div>
+			<div class="min-w-0">
+				<p class="font-medium truncate">{ inv.Email }</p>
+				<p class="text-xs text-muted-foreground">Invited { inv.CreatedAt.Format("Jan 2, 2006") } · expires { inv.ExpiresAt.Format("Jan 2, 2006") }</p>
+			</div>
+		</div>
+		if props.IsOwner {
+			<form hx-post={ routeurl.URL("action.app.spaces.space.invitations.cancel", "spaceID", props.SpaceID, "token", inv.Token) }>
+				@button.Button(button.Props{
+					Type:    button.TypeSubmit,
+					Variant: button.VariantGhost,
+					Size:    button.SizeSm,
+				}) {
+					Cancel invitation
+				}
+			</form>
+		}
+	</li>
+}
diff --git a/internal/ui/pages/space_overview.templ b/internal/ui/pages/space_overview.templ
index c7a4d52..41b2450 100644
--- a/internal/ui/pages/space_overview.templ
+++ b/internal/ui/pages/space_overview.templ
@@ -64,6 +64,16 @@ templ spaceSpecificSidebarContent(spaceID string) {
 					<span>Space Overview</span>
 				}
 			}
+			@sidebar.MenuItem() {
+				@sidebar.MenuButton(sidebar.MenuButtonProps{
+					Href:     routeurl.URL("page.app.spaces.space.members", "spaceID", spaceID),
+					IsActive: ctxkeys.URLPath(ctx) == routeurl.URL("page.app.spaces.space.members", "spaceID", spaceID),
+					Tooltip:  "Members",
+				}) {
+					@icon.Users()
+					<span>Members</span>
+				}
+			}
 			@sidebar.MenuItem() {
 				@sidebar.MenuButton(sidebar.MenuButtonProps{
 					Href:     routeurl.URL("page.app.spaces.space.settings", "spaceID", spaceID),