All resultsExplore/British Columbia/Dennis Shoal
Dennis Shoal
Anacortes, British Columbia, United States
EntryBoat
Max depth18 m
LevelIntermediate and up
Water bodySalish Sea
Water temp8–14°C
Estimated from climate dataMay–Sep
About this site
Dennis Shoal is a pinnacle and reef dive site near Anacortes, Washington, United States, in the Salish Sea. It is reached from a boat with a maximum depth of about 18 m. Best for divers with some experience. Marine life recorded within about 5 km (OBIS/GBIF) includes nudibranchs, seals, harbor seals, dolphins, sea lions. Typical surface water temperature ranges from about 8 to 14 °C over the year.
Conditions by month
BestGoodMixedOctoberGood
Generally good diving.
Marine life
Recorded nearby
Orange Sea CucumberCucumaria miniata
Harbor SealPhoca vitulina
Egg Yolk JellyPhacellophora camtschatica
Northern Elephant SealMirounga angustirostris
HermissendaHermissenda crassicornis
Ochre StarPisaster ochraceus
Tidepool SculpinOligocottus maculosus
Lion NudibranchMelibe leonina
Nearby sites
- 1Lawson Reef6.2 km
- 2Yellow Bluff Reef9.8 km
- 3Leo Reef15 km
- 4Shark Reef17 km
- 5Cypress Reef17 km
- 6Buckeye Shoal19 km
Straight-line distances.
Sources: Dive Vibe Community (ODbL) · Species occurrences: OBIS (CC BY 4.0), GBIF.org