My husband and I are thinking of taking Interislander from Picton to Wellington this April. We wish to book in advance and see the fare for 2 adults are NZD 130 when booking directly with Interislander. I notice that directferries.com offer a slightly cheaper price at NZD 113. Has anyone booked a ferry via directferries.com? What should I know before booking via an agent?
Also, will the ferry be too crowded to be enjoyable on ANZAC day? And how many hours before departure time should we be ready at the ferry terminal?