Areas of land mass completely surrounded by water. Prefer a more specific tag (see tag wiki) where relevant.
Excluding islands that are continents or countries, at least the following tags are in use at present:
andaman-nicobar-islands azores bali canary-islands christmas-island cook-islands corsica cozumel easter-island french-polynesia galapagos-islands gran-canaria guam ishigaki komodo ko-phi-phi lombok maui north-island sakhalin sardinia sicily tahiti tasmania thousand-islands vancouver-island