| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Suckerville | city | Maine | United States | 43.93 | -70.39 | 413 | |
| Sugar Hill | city | Maine | United States | 46.44 | -67.80 | 830 | |
| Sullivan | city | Maine | United States | 44.52 | -68.20 | 0 | |
| Summer Harbor | city | Maine | United States | 44.42 | -68.11 | 124 | |
| Summerhaven | city | Maine | United States | 44.39 | -69.81 | 331 | |
| Summit View Park (historical) | city | Maine | United States | 43.72 | -70.29 | 98 | |
| Sumner | city | Maine | United States | 44.39 | -70.44 | 830 | |
| Sunset | city | Maine | United States | 44.21 | -68.70 | 95 | |
| Sunset Landing | city | Maine | United States | 43.73 | -70.14 | 0 | |
| Sunset Park | city | Maine | United States | 43.62 | -70.31 | 75 | |
| Sunshine | city | Maine | United States | 44.20 | -68.58 | 98 | |
| Surfside | city | Maine | United States | 43.53 | -70.36 | 0 | |
| Surry | city | Maine | United States | 44.50 | -68.50 | 59 |