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Revision 8/23/2009 10:08 PM
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Keystone Jetty (Fort Casey) - Fort Casey State Park WA

The underwater park at Keystone Jetty is found just South of the Keystone Ferry terminal in the Fort Casey State Park. A small parking area with picnic tables and facilities makes for a nice two-tank location.
Directions: About 30 miles North of Seattle on Whidbey Island. The location makes for a great loop drive for a leisurely day. The North access to the island is via Anacortes, and the South access is via the Mukilteo Ferry, just West of Everett. About in the middle of the Island, just South of Coupeville, head West on Wanamaker road (highway 20) to the Keystone Ferry landing.
We dove here in December 2008, with snow on the ground, high winds, and very choppy on the surface. The vis was not great, but it was still a very good dive. Lots of life and we had a very close face to face with a big sea lion. He was interested but not pushy. W saw a wolf eel, too, but the sea lion made the dive. Good changing facility. Can’t wait to go back.
This is where I did my first dive two years ago and it’s still incredible! I did it last weekend, May 08. Tons of plumose anemones, greenling, lingcod, algae, crab, and bull kelp. I get a kick out of swimming around the bull kelp during high tide. I dive this in all current conditions. If the tide is pushing one way I dive the jetty, if the other way I do the pilings. I drift my way from the pilings to the jetty if conditions are correct, then it’s a easy walk to the car. I glide a few feet over the kelp and keep a sharp eye out for the kelp crab. This site is really busy on Saturdays, but only a few divers show up on Sunday, at least that’s been my experience. For the nondivers, my wife included, there’s Fort Casey. Lots of activities for the kids and adults alike.