Zadetkyi | |
|---|---|
Island of the Mergui Archipelago | |
  Zadetkyi | |
| Coordinates: 9°57′30″N 98°11′20″E / 9.95833°N 98.18889°E | |
| Country | Myanmar |
| Region | Taninthayi |
| Area | |
• Total | 176 km2 (68 sq mi) |
| Elevation | 864 m (2,835 ft) |
| Time zone | UTC+6:30 (Myanmar Standard Time) |
Zadetkyi Island or Zadetkyi Kyun, also known as Saint Matthew's Island, is an island at the southern end of the Mergui Archipelago, Burma. Its northern side forms the southern shore of Hastings Harbor, where there is a base of the Myanmar Navy.