All resultsExplore/British Columbia/Boulder Reef
Boulder Reef
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
Boulder Reef is a 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 seals, dolphins, harbor seals, 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
Killer WhaleOrcinus orca
Ochre StarsPisaster ochraceus
Harbor SealsPhoca vitulina- Steller Sea LionEumetopias jubatus
Orange Sea CucumberCucumaria miniata- Helmet CrabTelmessus cheiragonus
- Coho SalmonOncorhynchus kisutch
- California Sea CucumberApostichopus californicus
Nearby sites
- 1Buckeye Shoal3.1 km
- 2Cypress Reef3.3 km
- 3Bakers Reef5.5 km
- 4Yellow Bluff Reef11 km
- 5Leo Reef15 km
- 6Parker Reef18 km
Straight-line distances.
Sources: Dive Vibe Community (ODbL) · Species occurrences: OBIS (CC BY 4.0), GBIF.org