diff --git a/app/controllers/family_invitations_controller.rb b/app/controllers/family_invitations_controller.rb
index 4e663d2b..b6d5a716 100644
--- a/app/controllers/family_invitations_controller.rb
+++ b/app/controllers/family_invitations_controller.rb
@@ -49,6 +49,7 @@ class FamilyInvitationsController < ApplicationController
     )
 
     if service.call
+      current_user.reload
       redirect_to family_path(current_user.family), notice: 'Welcome to the family!'
     else
       redirect_to root_path, alert: service.error_message || 'Unable to accept invitation'
diff --git a/app/services/families/invite.rb b/app/services/families/invite.rb
index c5926d84..b0634a36 100644
--- a/app/services/families/invite.rb
+++ b/app/services/families/invite.rb
@@ -4,7 +4,7 @@ module Families
   class Invite
     include ActiveModel::Validations
 
-    attr_reader :family, :email, :invited_by, :invitation
+    attr_reader :family, :email, :invited_by, :invitation, :errors
 
     validates :email, presence: true, format: { with: URI::MailTo::EMAIL_REGEXP }
 
@@ -12,6 +12,7 @@ module Families
       @family = family
       @email = email.downcase.strip
       @invited_by = invited_by
+      @errors = {}
     end
 
     def call
@@ -25,21 +26,38 @@ module Families
       end
 
       true
-    rescue ActiveRecord::RecordInvalid
+    rescue ActiveRecord::RecordInvalid => e
+      @errors[:base] = e.message
       false
     end
 
+    def error_message
+      return errors.values.first if errors.any?
+      return validation_error_message unless valid?
+
+      'Failed to send invitation'
+    end
+
     private
 
+    def validation_error_message
+      errors.full_messages.first || 'Invalid invitation data'
+    end
+
     def invite_sendable?
-      return false unless invited_by.family_owner?
-      return false if family.members.count >= Family::MAX_MEMBERS
-      return false if user_already_in_family?
-      return false if pending_invitation_exists?
+      return add_error_and_false(:invited_by, 'You must be a family owner to send invitations') unless invited_by.family_owner?
+      return add_error_and_false(:family, 'Family is full') if family.members.count >= Family::MAX_MEMBERS
+      return add_error_and_false(:email, 'User is already in a family') if user_already_in_family?
+      return add_error_and_false(:email, 'Invitation already sent to this email') if pending_invitation_exists?
 
       true
     end
 
+    def add_error_and_false(attribute, message)
+      @errors[attribute] = message
+      false
+    end
+
     def user_already_in_family?
       User.joins(:family_membership)
           .where(email: email)
@@ -71,4 +89,4 @@ module Families
       )
     end
   end
-end
+end
\ No newline at end of file
diff --git a/app/views/family_invitations/index.html.erb b/app/views/family_invitations/index.html.erb
new file mode 100644
index 00000000..1c7082af
--- /dev/null
+++ b/app/views/family_invitations/index.html.erb
@@ -0,0 +1,57 @@
+<div class="container mx-auto px-4 py-8">
+  <div class="max-w-4xl mx-auto">
+    <div class="bg-white shadow rounded-lg p-6">
+      <div class="flex items-center justify-between mb-6">
+        <h1 class="text-2xl font-bold text-gray-900">
+          <%= t('family_invitations.index.title', default: 'Family Invitations') %>
+        </h1>
+        <%= link_to family_path(@family),
+              class: "bg-gray-600 hover:bg-gray-700 text-white px-4 py-2 rounded-md font-medium transition-colors duration-200" do %>
+          <%= t('family_invitations.index.back_to_family', default: 'Back to Family') %>
+        <% end %>
+      </div>
+
+      <% if @pending_invitations.any? %>
+        <div class="space-y-4">
+          <% @pending_invitations.each do |invitation| %>
+            <div class="flex items-center justify-between p-4 bg-gray-50 rounded-lg">
+              <div>
+                <div class="font-medium text-gray-900"><%= invitation.email %></div>
+                <div class="text-sm text-gray-500">
+                  <%= t('family_invitations.index.invited_on', default: 'Invited') %>
+                  <%= invitation.created_at.strftime('%B %d, %Y') %>
+                </div>
+                <div class="text-xs text-gray-400">
+                  <%= t('family_invitations.index.expires_on', default: 'Expires') %>
+                  <%= invitation.expires_at.strftime('%B %d, %Y at %I:%M %p') %>
+                </div>
+              </div>
+
+              <div class="flex space-x-2">
+                <%= link_to public_invitation_path(invitation.token),
+                      class: "text-blue-600 hover:text-blue-800 text-sm font-medium" do %>
+                  <%= t('family_invitations.index.view_invitation', default: 'View') %>
+                <% end %>
+
+                <% if policy(@family).manage_invitations? %>
+                  <%= link_to family_invitation_path(@family, invitation),
+                        method: :delete,
+                        confirm: t('family_invitations.index.cancel_confirm', default: 'Are you sure you want to cancel this invitation?'),
+                        class: "text-red-600 hover:text-red-800 text-sm font-medium" do %>
+                    <%= t('family_invitations.index.cancel', default: 'Cancel') %>
+                  <% end %>
+                <% end %>
+              </div>
+            </div>
+          <% end %>
+        </div>
+      <% else %>
+        <div class="text-center py-8">
+          <p class="text-gray-500 text-lg">
+            <%= t('family_invitations.index.no_invitations', default: 'No pending invitations') %>
+          </p>
+        </div>
+      <% end %>
+    </div>
+  </div>
+</div>
\ No newline at end of file
diff --git a/spec/requests/family_invitations_spec.rb b/spec/requests/family_invitations_spec.rb
index 217800a2..3712129c 100644
--- a/spec/requests/family_invitations_spec.rb
+++ b/spec/requests/family_invitations_spec.rb
@@ -120,18 +120,19 @@ RSpec.describe 'Family Invitations', type: :request do
         post "/families/#{family.id}/invitations", params: duplicate_params
         expect(response).to redirect_to(family_path(family))
         follow_redirect!
-        expect(response.body).to include('Failed to send invitation')
+        expect(response.body).to include('Invitation already sent to this email')
       end
     end
 
     context 'when user is not the owner' do
       before { membership.update!(role: :member) }
 
-      it 'returns forbidden' do
+      it 'redirects due to authorization failure' do
         post "/families/#{family.id}/invitations", params: {
           family_invitation: { email: 'test@example.com' }
         }
-        expect(response).to have_http_status(:forbidden)
+        expect(response).to have_http_status(:see_other)
+        expect(flash[:alert]).to include('not authorized')
       end
     end
 
@@ -162,27 +163,28 @@ RSpec.describe 'Family Invitations', type: :request do
 
   describe 'POST /families/:family_id/invitations/:id/accept' do
     let(:invitee) { create(:user) }
+    let(:invitee_invitation) { create(:family_invitation, family: family, invited_by: user, email: invitee.email) }
 
     context 'with valid invitation and user' do
       before { sign_in invitee }
 
       it 'accepts the invitation' do
         expect do
-          post "/families/#{family.id}/invitations/#{invitation.id}/accept"
+          post "/families/#{family.id}/invitations/#{invitee_invitation.token}/accept"
         end.to change { invitee.reload.family }.from(nil).to(family)
       end
 
       it 'redirects with success message' do
-        post "/families/#{family.id}/invitations/#{invitation.id}/accept"
+        post "/families/#{family.id}/invitations/#{invitee_invitation.token}/accept"
         expect(response).to redirect_to(family_path(family))
         follow_redirect!
         expect(response.body).to include('Welcome to the family!')
       end
 
       it 'marks invitation as accepted' do
-        post "/families/#{family.id}/invitations/#{invitation.id}/accept"
-        invitation.reload
-        expect(invitation.status).to eq('accepted')
+        post "/families/#{family.id}/invitations/#{invitee_invitation.token}/accept"
+        invitee_invitation.reload
+        expect(invitee_invitation.status).to eq('accepted')
       end
     end
 
@@ -196,41 +198,39 @@ RSpec.describe 'Family Invitations', type: :request do
 
       it 'does not accept the invitation' do
         expect do
-          post "/families/#{family.id}/invitations/#{invitation.id}/accept"
+          post "/families/#{family.id}/invitations/#{invitee_invitation.token}/accept"
         end.not_to(change { invitee.reload.family })
       end
 
       it 'redirects with error message' do
-        post "/families/#{family.id}/invitations/#{invitation.id}/accept"
+        post "/families/#{family.id}/invitations/#{invitee_invitation.token}/accept"
         expect(response).to redirect_to(root_path)
-        follow_redirect!
-        expect(response.body).to include('You must leave your current family')
+        expect(flash[:alert]).to include('You must leave your current family before joining a new one')
       end
     end
 
     context 'when invitation is expired' do
       before do
-        invitation.update!(expires_at: 1.day.ago)
+        invitee_invitation.update!(expires_at: 1.day.ago)
         sign_in invitee
       end
 
       it 'does not accept the invitation' do
         expect do
-          post "/families/#{family.id}/invitations/#{invitation.id}/accept"
+          post "/families/#{family.id}/invitations/#{invitee_invitation.token}/accept"
         end.not_to(change { invitee.reload.family })
       end
 
       it 'redirects with error message' do
-        post "/families/#{family.id}/invitations/#{invitation.id}/accept"
+        post "/families/#{family.id}/invitations/#{invitee_invitation.token}/accept"
         expect(response).to redirect_to(root_path)
-        follow_redirect!
-        expect(response.body).to include('expired')
+        expect(flash[:alert]).to include('This invitation is no longer valid or has expired')
       end
     end
 
     context 'when not authenticated' do
       it 'redirects to login' do
-        post "/families/#{family.id}/invitations/#{invitation.id}/accept"
+        post "/families/#{family.id}/invitations/#{invitee_invitation.token}/accept"
         expect(response).to redirect_to(new_user_session_path)
       end
     end
@@ -240,14 +240,14 @@ RSpec.describe 'Family Invitations', type: :request do
     before { sign_in user }
 
     it 'cancels the invitation' do
-      delete "/families/#{family.id}/invitations/#{invitation.id}"
+      delete "/families/#{family.id}/invitations/#{invitation.token}"
       invitation.reload
       expect(invitation.status).to eq('cancelled')
       expect(response).to redirect_to(family_path(family))
     end
 
     it 'redirects with success message' do
-      delete "/families/#{family.id}/invitations/#{invitation.id}"
+      delete "/families/#{family.id}/invitations/#{invitation.token}"
       expect(response).to redirect_to(family_path(family))
       follow_redirect!
       expect(response.body).to include('Invitation cancelled')
@@ -256,9 +256,10 @@ RSpec.describe 'Family Invitations', type: :request do
     context 'when user is not the owner' do
       before { membership.update!(role: :member) }
 
-      it 'returns forbidden' do
-        delete "/families/#{family.id}/invitations/#{invitation.id}"
-        expect(response).to have_http_status(:forbidden)
+      it 'redirects due to authorization failure' do
+        delete "/families/#{family.id}/invitations/#{invitation.token}"
+        expect(response).to have_http_status(:see_other)
+        expect(flash[:alert]).to include('not authorized')
       end
     end
 
@@ -268,7 +269,7 @@ RSpec.describe 'Family Invitations', type: :request do
       before { sign_in outsider }
 
       it 'redirects to families index' do
-        delete "/families/#{family.id}/invitations/#{invitation.id}"
+        delete "/families/#{family.id}/invitations/#{invitation.token}"
         expect(response).to redirect_to(families_path)
       end
     end
@@ -277,7 +278,7 @@ RSpec.describe 'Family Invitations', type: :request do
       before { sign_out user }
 
       it 'redirects to login' do
-        delete "/families/#{family.id}/invitations/#{invitation.id}"
+        delete "/families/#{family.id}/invitations/#{invitation.token}"
         expect(response).to redirect_to(new_user_session_path)
       end
     end
@@ -304,7 +305,7 @@ RSpec.describe 'Family Invitations', type: :request do
 
       # 3. Invitee accepts invitation
       sign_in invitee
-      post "/families/#{family.id}/invitations/#{created_invitation.id}/accept"
+      post "/families/#{family.id}/invitations/#{created_invitation.token}/accept"
       expect(response).to redirect_to(family_path(family))
 
       # 4. Verify invitee is now in family