thumb|350px|Map of Turkey and seas in and around Turkey
This is a list of islands of Turkey. There are around 500 islands and islets in Turkey. These islands are located in the Aegean Sea, Black Sea, Mediterranean Sea, Sea of Marmara, and Turkish lakes. The Turkish words for island/islands are ada/adalar. The largest Turkish island is Gökçeada in the Aegean Sea with an area of . The lists in the following sections include the islands' names, formal names if different, provinces, seas where they are located, and coordinates.
Islands by body of water
Aegean Sea islands
The following islands are in the Aegean Sea:
Aydın Province
thumb|250px|Güvercin Island, Aydın Province
{| class="wikitable sortable plainrowheaders"
|+ Location of Aegean Sea islands in Aydın Province of Turkey
|-
! Name
! Province
! Coordinates
|-
| Bayrak Adası (Abanoz Island) || Aydın ||
|-
| Dalaman Adası The following islands of Balıkesir Province are in the Aegean Sea:thumb|250px|Ayvalık Islands
thumb|250px|Cunda Island
thumb|250px|Çıplak Ada
{| class="wikitable sortable plainrowheaders"
|+ Location of Aegean Sea islands in Balıkesir Province of Turkey
|-
! Name
! Province
! Coordinates
|-
| Akoğlu Adası || Balıkesir ||
|-
|Çiçek Adası|| Muğla ||
|-
| Baba Adası
|-
| Kaşık Island || Istanbul ||
|-
| Kınalıada || Çanakkale ||
|-
| Zeytinli Island|| Balıkesir ||
|}
Lake islands
thumb|250px|right|Lake Van
One Turkish lake, Lake Van, has islands, including the following: