Ranked by the OnlyBeaches Index (OBI) — a 1-10 score blending water purity, conditions, crowd levels and vibe. Updated every 30 minutes.
Büyükada Nakibey Beach
A long-running Büyükada swimming beach and one of the Princes’ Islands must-have entries.
Büyükada Yörükali Beach
A key Büyükada beach zone with a resort-style island swimming experience.
Heybeliada Aqua Green Beach
A recognized Heybeliada beach club option for island day-trippers.
Kınalıada Kumluk Beach
One of the easiest Princes’ Islands beaches to reach from central Istanbul.
Adalar sits in Istanbul Province, Turkey and is home to 4 ranked beaches on OnlyBeaches. Every beach here is scored by the OnlyBeaches Index — a 1-10 metric blending water purity, live conditions (waves, water temperature, wind), crowd intelligence and vibe.
Whether you're after the highest-scoring beach in Adalar or a quieter hidden cove, the list above is refreshed every 30 minutes using live Stormglass and OpenWeather data.
