The Büyükada Pier – Değirmendere İskelesi ferry takes 3 hours; 1 sailings run daily; first sailing 17:30, last sailing 17:30.
Schedules and prices for this route are compiled from Kocaeli Büyükşehir Belediyesi Deniz Ulaşımı official booking sources and verified by our editorial team before publication. Learn more about our AI-assisted content process and data sources in our editorial process.
Contextual alternatives sharing the same ports, operator and region
Operator Info
| Operator | Vessel | Duration | One-Way | Round-Trip | Season | Ticket |
|---|---|---|---|---|---|---|
| Kocaeli Büyükşehir Belediyesi Deniz Ulaşımı Main operator | Kocaeli BB Vapuru | 3 h | ₺350 | — | Yaz sezonu — her Pazar | Buy Ticket |
Kocaeli BB Vapuru
Features
Gidiş-dönüş tur bileti (tam 350 TL, öğrenci 225 TL); yalnızca yolcu (araç alınmaz); rezervasyon zorunlu (kdu.kocaeli.bel.tr); günübirlik ada gezisi; Büyükada'da ~5 saat
22 Haziran - 21 Eylül 2026 arası her Pazar; Büyükada 17:30 kalkış, Değirmendere ~20:30 varış
Buy TicketThe return ferry from Büyükada to Değirmendere departs every Sunday at 17:30, arriving at ~20:30 (June 22 - September 21, 2026). Round-trip tour tickets are 350 TL for adults and 225 TL for students.
The Büyükada - Değirmendere ferry route is the return leg of the Kocaeli Metropolitan Municipality's summer service to the Princes' Islands. Departing Büyükada at 17:30, the ferry drops off passengers at the Gulf of İzmit piers in reverse order, arriving at the Değirmendere pier at approximately 20:30.
The return journey follows the reverse route of the outbound trip: the ferry first stops at Darıca (closest to the island), followed by Karamürsel, Değirmendere, and finally İzmit. The outbound schedule and route guide from Değirmendere to Büyükada can be found on a separate page.
Return trips also operate every Sunday between June 22 and September 21, 2026. Tickets are sold as round-trip tours; the tour ticket departing from Değirmendere is 350 TL for adults and 225 TL for students, which includes the return fare.
Seats are limited and reservations are mandatory. To book tickets and reserve your seat, visit kdu.kocaeli.bel.tr or www.kocaeli.bel.tr. The same tour ticket is valid for the return trip.
The 17:30 return departure coincides with the sunset over the Sea of Marmara and the Gulf of İzmit on summer evenings. From the deck, you can view both sides of the gulf, the Yarımca-Gölcük coastline, and the Samanlı Mountains in the distance. The return journey is the most serene part of your day trip to the island.
Kocaeli Büyükşehir Belediyesi yaz dönemi Büyükada seferi. Tek vapur körfez içinde sırayla İzmit (08:30), Değirmendere (09:15), Karamürsel (10:00), Darıca (11:15) iskelelerine uğrar; Büyükada'ya ~12:15 varır, 17:30'da döner. Rezervasyon zorunlu: kdu.kocaeli.bel.tr.