Island chain
United States Islands
United States (states & territories) · 21 inhabited · 1442 uninhabited documented
U.S. maritime island inventory from GeoNames — Atlantic, Pacific, Gulf, and territorial coasts only (no Great Lakes or inland river islets). Puerto Rico, Guam, American Samoa, the Northern Mariana Islands, Alaska coastal isles, and U.S. Minor Outlying Islands. Excludes islands already profiled in the U.S. Virgin Islands, Hawaiian Islands, and Aleutian Islands chains.
Map & search
Filter islands in this chain — map and lists update as you type.
21 inhabited on map · 1,442 uninhabited — search to find one
Skip map — jump to island list. The map below is supplementary and shows island geography only.
Inhabited islands
Showing 2 of 21 — expand to browse the full list or search above.
- Admiralty Island
Main town: Admiralty Island communities — verify borough · pop. 100
Language(s): English primary nationwide; Spanish widely spoken in Puerto Rico and many coastal communities
Hospital: No full hospital on island · Medevac to Anchorage, Juneau, or Kodiak for specialty care; weather-dependent air/ferry
2 schools documented
- Anacapa Island
Main town: Anacapa Island — verify county · pop. 100
Language(s): English primary nationwide; Spanish widely spoken in Puerto Rico and many coastal communities
Hospital: No full hospital on island · Regional hospital on mainland or larger island
2 schools documented
Uninhabited islands
Documented for geography and access context — not relocation destinations. Gray pins on the map when included.
1,442 uninhabited islands in this chain — use the search box above to find one by name (e.g. , ).
Informational only — not immigration or legal advice. Methodology