- Tahanto Beach
- Tern Island
- Thatch Island
- The Spindle
- The Springs
- Thumpertown Beach
- Tobys Island
- Tongue Rock
- Tonset
- Town Island (historical)
- Tupper Island
- Tanglewood
- The Boulders
- The Spruces Mobile Home Park
- Town Crest Village
- The Wildcat
- Touisset
- Tracy Corner
- Tripp Ledge
- Twomile Rock
- Tississa
- Tablet Rock
- Tapleyville
- Tenpound Island
- Tenpound Island Ledge
- Thacher Island
- The Five Sisters
- The Spindle
- Tinkers Island
- Tom Moore Rock