The San Marino resorts with the warmest sea water temperature at this moment are Domagnano, Mentegiardino and San Marino.
Below you can see a list of all popular San Marino resorts and information about current sea water temperature and averages for current and next months.
| Resort Name | Current Sea Water Temperature |
August 2025 | September 2025 |
|---|---|---|---|
| Domagnano | 87.8°F | 82.5°F | 77.9°F |
| Mentegiardino | 87.8°F | 82.5°F | 77.9°F |
| San Marino | 87.8°F | 82.5°F | 77.9°F |
| Faetano | 87.8°F | 82.5°F | 77.9°F |
| Fiorentino | 87.8°F | 82.5°F | 77.9°F |
| Acquaviva | 87.6°F | 82.5°F | 77.9°F |
| Borgo Maggiore | 87.6°F | 82.5°F | 77.9°F |
| Chiesanuova | 87.6°F | 82.5°F | 77.9°F |
| Serravalle | 87.6°F | 82.5°F | 77.9°F |
Please see following sea water temperature averages charts for the warmest San Marino 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.
San Marino Resorts:
NAME
F°
| Acquaviva |  |
+80 |
| Borgo Maggiore | |
+80 |
| Chiesanuova | |
+80 |
| Domagnano | |
+80 |
| Faetano | |
+80 |
| Fiorentino | |
+80 |
| Mentegiardino | |
+80 |
| San Marino | |
+80 |
| Serravalle | |
+80 |
