The Cayman Islands resorts with the warmest sea water temperature at this moment are Little Cayman, Grand Cayman and Cayman Brac.
Below you can see a list of all popular Cayman Islands resorts and information about current sea water temperature and averages for current and next months.
| Resort Name | Current Sea Water Temperature |
July 2025 | August 2025 |
|---|---|---|---|
| Little Cayman | 91.0°F | 90.2°F | 91.3°F |
| Grand Cayman | 90.8°F | 89.5°F | 91.0°F |
| Cayman Brac | 90.8°F | 90.1°F | 91.4°F |
| George Town | 90.4°F | 89.4°F | 91.0°F |
Please see following sea water temperature averages charts for the warmest Cayman Islands resorts for more details.
You can also get the same information for the every other month of the year when the average sea water temperature is greater then 70°F.
Sea Water
Temperature
Temperature
| Little Cayman |
Sea Water
Temperature
Temperature
| Grand Cayman |
Sea Water
Temperature
Temperature
| Cayman Brac |
