- Turtle Island
- Thibodeau Island
- Three Mile Island
- Timoney
- Twin Brook
- The Brothers
- The Goslings
- The Nubbin
- Thornton Heights
- Three Islands
- Thrumcap
- Todds Corners
- Town Landing
- Treasure Island
- Treasure Island
- Trefethen
- Turner Island
- Turnip Island
- Two Bush Island
- Two Trails
- Tainter Corner
- Temple Intervale
- Ten Degree
- The Landing
- Toothaker Island
- Teachers Island
- Teakettle Island
- The Brown Cow
- The Chain Links
- The Drums