Castle Island

• Castle Island (County Cork)
• Castle Island (Massachusetts)
• Castle Island (New York)
• Castle Island (Washington)
• Castle Island, Bermuda
• Castle Island, County Antrim
• Castle Island, County Down
• Castle Island, Greenland
• Castle Island, New Zealand
• Castle Island, Scotland
• Castle Islands Fortifications, Bermuda
• Castleisland
• County Antrim
• County Down
• McDermott's Castle
• Nunavut