Catalina Island ~ 41st Annual Avalon Harbor Underwater Cleanup February 25th, 2023

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There is only one day a year that you’re allowed to dive in Avalon Harbor on Catalina Island and that day for 2023, is February 25th.  The day of the 41st Annual Avalon Harbor Clean Up.   Take advantage of this once a year, rare opportunity with us this year.   Dive in the harbor and help the environment by cleaning up debris that has accumulated over the last year.  You never know what treasure you may find.

In addition to possible treasures you may find during the dive, there are prizes given for some of the more interesting items retrieved from the harbor as well as thousands of dollars in raffle prizes including dive gear, trips, vacations, etc.


All divers must register to dive the event. When you register, you will be given a choice of dive sites, we are registered to enter at the Green Pier and your Dive Team is Sin City Scuba 



Registration Details:

Register online at

Dive Team: Sin City Scuba
Dive Site: Green Pier

$45 Early registration through January 31st
$55 February 1st – 17th
$65 Day-of registration at Wrigley Stage
Non-Divers: $30


Because we are coming all the way from Vegas, we go a day or two early and do some fun dives at the Casino Point Dive Park  Dive though the beautiful kelp forests, come face to face with a giant black sea bass, be entertained by adorable sea lions and crazy deep diving cormorants. The Casino Point Dive Park is a dive site you won’t want to miss.  Let us introduce you to this magical place.   Join us for a fun 3 or 4 day weekend in Catalina and do something amazing for our Oceans. With your extra time on the island, you can enjoy some of the local cuisine and and other local charm that Catalina has to offer.

Join us for a weekend of fun on Catalina Island, February 23rd-26th, 2023 and do your part to help clean up Catalina and support the USC Hyperbaric Chamber.

There are several wonderful places to stay on the Island, you can check out the options on the Catalina Chamber of Commerce Site here.  Ask us about other accommodations that may be available for the weekend.


Video from the 37th Avalon Harbor Underwater Cleanup
500 volunteers collected nearly 1.5 tons of garbage from the waters of Avalon Harbor on Catalina Island.
USCDornsife Video by Mike Glier, Jim Key and Maurice Roper


From the Catalina Concervancy Site  “The Avalon Underwater Cleanup is an annual dive event held at Avalon Harbor on Catalina  Island. The event was started in the 1970s by the local dive community in an effort to cleanup Avalon Harbor, and this event is the only time diving is permitted in the Harbor. Over the years, this event has grown to become one of the most popular dive events in Southern California attracting as many as 500 divers.

The proceeds of the Avalon Harbor Underwater Cleanup benefit the USC Catalina Hyperbaric Chamber and the Catalina Conservancy’s Robert R. Given Fund for Ocean Conservation and Educational Outreach established in the name of Dr. Robert Given.  The USC Catalina Hyperbaric Chamber is a 24/7 emergency recompression facility on Catalina that serves thousands of divers who frequent the waters of Southern California.”