Richelieu Rock (★4.7)
Richelieu Rock is one of the most popular dive sites in Surin Islands National Park. It is a limestone reef that rises almost vertically from a depth of 35 meters, and appears only at low tide, about 1 meter above the surface.

| Monday | 14:00 - 19:00 |
| Tuesday | --- |
| Wednesday | 14:00 - 19:00 |
| Thursday | 14:00 - 19:00 |
| Friday | --- |
| Saturday | 14:00 - 19:00 |
| Sunday | --- |
| Monday | 14:00 - 19:00 |
| Tuesday | --- |
| Wednesday | 14:00 - 19:00 |
| Thursday | 14:00 - 19:00 |
| Friday | --- |
| Saturday | 14:00 - 19:00 |
| Sunday | --- |