New Hampshire Lighthouses
Short seacoast · 2 lighthouses in this preview
New Hampshire's short seacoast is guarded by the Portsmouth Harbor light in New Castle and the Isles of Shoals light offshore.
Of the 2 entries here, 2 match an active aid in the current USCG Light List, 1 have a National Register record, and 1 have visitor-access details checked against an official or operator source. Everything else is marked “verify before visiting.” This list comes from our verified sources and may not include every lighthouse in New Hampshire.
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Portsmouth Harbor Light
New Castle, New Hampshire
Active aid in USCG Light ListNational RegisterRestricted access (sourced)Tower tours offered (sourced)
Map
Map © OpenStreetMap contributors. Each lighthouse page has its own pin map.
List view
| Lighthouse | Town | In USCG Light List | NRHP | Visitor access |
|---|---|---|---|---|
| Isles of Shoals Light | Yes | — | Verify before visiting | |
| Portsmouth Harbor Light | New Castle | Yes | Yes | Sourced |
Sources: USCG Light List Vol. I (11/11/2026), NPS NPGallery National Register records, Wikidata (leads), and the official pages cited on each lighthouse page. Last checked November 11, 2026.