| Native Name: | Άγιος Θωμάς |
| Native Name Lang: | el |
| Nickname: | --> |
| Coordinates: | 37.8104°N 23.2462°W |
| Archipelago: | Diaporia islands |
| Waterbody: | Saronic Gulf |
| Area M2: | or |
| Area Ha: | --> |
| Length M: | --> |
| Width M: | --> |
| Coastline M: | --> |
| Country: | Greece |
| Country Area M2: | or |
| Country Area Ha: | --> |
| Country1 Area M2: | or |
| Country1 Area Ha: | --> |
Agios Thomas (Saint Thomas / Άγιος Θωμάς) is an island in the Saronic Gulf, located north of the gulf and northwest of Aegina, part of the Saronic Islands. It belongs to the municipality of Aegina.
The island can be reached by 45-minute ferry ride from Athens and a 20-minute ride from Corinth.[1] In 2015, it was bought by Warren Buffett and Alessandro Proto for 15 million euros.[2] [3]