Ko Mai Si Yai, Trat
Ko Mai Si Yai: island in Thailand
About
Quick Facts about Ko Mai Si Yai
| Country | Thailand |
| State | Trat (Thailand) |
| Latitude & Longitude | 11.9444,102.4742 |
| Time Zone | Asia/Bangkok |
| Local time | 17:31:58 (22nd April 2026) |
Geography
Ko Mai Si Yai is located at 11°56'40"N 102°28'27"E (11.9444200, 102.4741800).
Ko Mai Si Yai map
Click "full screen" 
icon to open full mode. View satellite images
icon to open full mode. View satellite images
Goh Maizee Yai, Ile du Pie, เกาะไม้ซี้ใหญ่