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Duck Island Isles of Shoals
New Castle, New Hampshire, United States
Max depth12.2 m
LevelEstimated: Beginner-friendly
Water bodyGulf of Maine
Water temp3–18°C
Estimated from climate dataJun–Sep
About this site
Duck Island Isles of Shoals is a pinnacle dive site near New Castle, Maine, United States, in the Gulf of Maine. It has a maximum depth of about 12 m. Marine life recorded within about 5 km (OBIS/GBIF) includes seals, lobsters, harbor seals, nudibranchs, dolphins. Typical surface water temperature ranges from about 3 to 18 °C over the year.
Conditions by month
BestGoodMixedOctoberGood
Generally good diving.
Marine life
Recorded nearby
CodGadus morhua
Shore CrabCarcinus maenas
American LobsterHomarus americanus
Harbor SealPhoca vitulina
Grey SealHalichoerus grypus- Blueback HerringAlosa aestivalis
CunnerTautogolabrus adspersus
Jonah CrabCancer borealis
Nearby sites
- 1Isles of Shoals Duck Island and Shag Rock0.2 km
- 2Cedar Island Ledge3.3 km
- 3Fort Stark10 km
- 4Godfrey's Ledge15 km
- 5Nubble Light18 km
- 6Badgers Rock27 km
Straight-line distances.
Sources: Species occurrences: OBIS (CC BY 4.0), GBIF.org