The Princes' Islands (Adalar) are the most popular Istanbul day trip — and for good reason. This archipelago of nine islands in the Sea of Marmara offers a complete escape from Istanbul's urban intensity. Motor vehicles are banned, creating peaceful streets filled with the sounds of birdsong and bicycle bells. Büyükada, the largest island, features Victorian mansions, pine forests, hilltop monasteries, and waterfront seafood restaurants.
Rent a bicycle near the pier and circle the island in 2 hours, stopping at beaches and viewpoints. The Aya Yorgi Monastery at the island's summit provides panoramic Sea of Marmara views. Getting there: ferry from Kabataş (90 minutes) or speed boat from Bostancı (40 minutes). Or book the TURSAB-licensed GoldenSunsetTour Princes' Islands tour for guided exploration with private boat transfer. For a guided version, see our Princes' Islands tour, a full-day Büyükada tour with lunch.








