Princes' Islands · Sedef Adası
Sedef Island, Istanbul: A Complete Visitor's Guide
Sedef Adası — “Mother-of-Pearl Island” — is a tiny, tranquil island just beyond Büyükada. Largely given over to summer villas and a well-kept beach backed by pine trees, it is a quiet beach retreat reached by a short connecting boat or seasonal ferry.
- Size
- Tiny (0.16 km²)
- Ferry (Kabataş)
- ~65m
- Area
- 0.157 km²
- Ferry stop
- #5
“Mother-of-Pearl Island” — a tiny beach retreat.
Why visit Sedef Island
Sedef is for a pure beach day. With one sandy shore, a pine grove and very little else, it is the place to swim and unwind far from the day-trip crowds of the larger islands.
What to see and do on Sedef Island
- A small, exclusive island beyond Büyükada
- Sandy beach and a pine grove
- Summer villas and a relaxed beach-club scene
- Reached by connecting boat or seasonal ferry
How to get to Sedef Island
Sedef Island is stop number 5 on the Princes’ Islands ferry route. Boats leave from Kabataş and Eminönü on the European side and from Kadıköy and Bostancı on the Asian side; the fastest sailings come from Bostancı. Check the full ferry schedule and tickets before you travel — services are frequent in summer and lighter in winter.
Sedef Island FAQ
How do you get to Sedef Island from Istanbul?+
Sedef Island is reached by public ferry from Istanbul's main piers — Kabataş and Eminönü on the European side, Kadıköy and Bostancı on the Asian side. The crossing takes roughly 65 minutes from Kabataş, and you tap in with an Istanbulkart just as you would on the city's other ferries.
Is Sedef Island worth visiting?+
Yes — Sedef Island rewards visitors with car-free streets, sea views and a relaxed pace that's hard to find so close to a major city. How much time you need depends on the island's size, but even a half-day gives you a genuine feel for it.
Can you swim on Sedef Island?+
There are places to swim on Sedef Island during the summer season (roughly June to September), from beach clubs to public shores. Water clarity around the Princes' Islands is among the best near Istanbul.
Planning your Sedef Island day trip?
Get the ferry timing right and see how to combine your island with the rest of a smooth day out from Istanbul.
See the day-trip itineraryOther Princes' Islands
Büyükada
Everything to know about Büyükada, the largest Princes' Island near Istanbul — the ferry, the Aya Yorgi climb, mansions, bikes, beaches and things to do.
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Heybeliada
A visitor's guide to Heybeliada, the green second Princes' Island near Istanbul — the ferry, pine-forest walks, the Halki seminary and swimming coves.
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Burgazada
Discover Burgazada, the peaceful third Princes' Island near Istanbul — the ferry, Kalpazankaya sunset cliffs, the Sait Faik museum and calm village life.
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