- The Fort
- The Hop
- The Hub
- The Hubs
- The Nub
- The Porcupines
- The Porcupines
- The Sugarloaf
- The Thrumcap
- The Twinnies
- Thomas Island
- Thompson Island
- Three Bush Island
- Thrumcap
- Thrumcap
- Thrumcap Island
- Tinker Island
- Torrey Castle
- Torrey Islands
- Town Hill
- Trap Rock
- Treasure Island
- Trumpet Island
- Tunk Lake
- Turtle Island
- Twenty Acre Island
- Two Bush Island
- Two Bush Island
- The Ark
- The Cuckolds