California Artificial Reefs

Last week, California Governor Schwarzenegger signed the California artificial reef bill, laying the ground work for artificial reefing projects in California.

This bill limits the government’s liability for scuba diving and fishing accidents on artificial reefs. This was a huge impediment to laying artificial reefs in the California waters.


There are already a large number of artificial reefs off California, as most west coast divers know. Surprisingly, most of these are composed of quarry rock, rather than ships and barges. Others are made of light poles, pier pilings, concrete chimneys, and old streetcars. Here is a list of artificial reefs and coordinates, which also says what each are made of.

This initiative was pushed by California Ships to Reefs, so I expect newer reefs to be made of unsalvageable ships. While there are a few artificial reefs made of ships off California, like the Yukon in San Diego, they are definitely in the minority.

Not only do artificial wrecks provide shelter for fish, but they also provide a relatively safe wreck diving environment. They tend to be safer than genuine wrecks because all hazardous materials are removed prior to sinking.


Photo from yukonsite.wordpress.com

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4 Responses to “California Artificial Reefs”

  1. Mike Says:

    Looks like Arny is doing something right for a change!

  2. Thad Says:

    Here’s an instructable from our project in PLaya Hermosa, Costa Rica. I just put it up.

    http://www.instructables.com/id/Build-an-Artificial-Reef/

    We’re using concrete block and so far the fish and aquatic life love them. We’re adopting them out as “Fish Condos”. Its the first project of it’s kind to have Costa Rica government approval.

  3. David Says:

    @Mike: The bill passed unanimously, so it would’ve been really bad if he vetoed it!

    Hi Thad,
    Thanks for sharing! Those mini-artificial reefs look great! I look forward to checking them out if I get down to Costa Rica.

  4. DG Says:

    Asta la vista fishi

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