Maryland
Îles commençant par r
États-Unis
- Ragged Island
- Rams Horn Tump
- Ramshorn Island
- Rattlesnake Island
- Ready Cove Tump
- Reed Bird Island
- Reedy Island
- Reedy Island (historical)
- Rich Island (historical)
- Robbins Tump
- Robert Island
- Rock Island
- Rocky Islands
- Rosilie Island
- Ross Island (historical)
- Rough Island (historical)
- Round Island
- Rowland Island
- Rowland Island
- Royston Island
- Rumsey Island
- Ruppert Island
- Rush Island
- Rush Island