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Back  |  USA: Pacific Northwest   |  Puget Sound - South

Anna Foss Tug  |  USA: Pacific Northwest

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Calvos Passage
Vashon Island, WA

Type: Saltwater-OpenOcean

Ratings (1-5):
Reviews: 2
Enjoyment: 3.75
Visibility: 3.25
Current: 3.75
Aquatic Life: 5

Photo Gallery:

Kelp Perch
Alabaster Nudibranch
Baby Red Irish Lord
Kelp Perch
Red Gilled Nudibranch
California Sea Cucumber
Hermit Crab
Scalyhead Sculpin
Red Gilled Nudibranch (Fabellina verrucosa)
Kelp Perch
Hermit Crab


Large Wreck,


The Anna Foss Tug is a 68 foot wood-hulled steam tug built in 1907 and sank in 1969. The engine and several salvage pontoons are present and much of the hull still stands 10' off the bottom, although it is deteriorating rapidly. This site seems to attract all sorts of interesting nudibranchs and large schools of fish. More history of the Anna Foss can be found in Northwest Wreck Dives.

The Anna Foss makes a great follow-up dive to the nearby popular dive sites of Sunrise Beach and Dalco Wall.

Special Restrictions:

The pleasant cove where the Anna Foss is found tends to attract flotsam and debris so approach carefully and look up when surfacing. This passage has heavy boat traffic so be sure to fly your dive flag. The cove is moderately well protected from current.

How to get there:

The Anna Foss is located in the Calvos Passage off the shore of Vashon Island about 1/4 mile north of Sandford Point, just under 7 miles form Point Defiance or Gig Harbor. The wreck is in shallow water (25') and is tall making it easily located with a depth finder in the small cove. It can even bee seen on a clear day from the surface. Occasionally there is an old yellow buoy attached to the bow. Anchor on the sand, do not tie off to the buoy.

Thanks to NWD for submitting this site!
  Comments Leave Review  
Matt_Tyler1/2/2009Rating: 4
I thought this was a pretty cool dive. I loved the fact that there were little critters hiding in the parts of the hull where the wood was rotting. There were also huge schools of striped perch that added to the enjoyment of the dive.

Slobert1/2/2009Rating: 4
Despite of, or maybe because of the fact that this wreck is falling apart, I really enjoyed it. Lots of nooks and crannies to check out. Lots of cool junk to see. Huge school of perch all around the wreck plus rockfish and Lingcod. Some good small critters like gunnels and nudi's as well. Worth diving. the mild current was enjoyable and kept the vis from getting stirred up.


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