Diving the California Coast since 1955

Equipment Maintenance

Useful and entertaining program on taking care of your diving equipment and how (and when) to do some in-field and home repairs.

Presentation covering Low-Cost Underwater Camera Types, General Tips, Composition, Camera Shooting Modes, Exposure and Strobe Placement.

Introduction to photo editing with Photoshop Elements

November 8 @ 7:30 pm

Ricky’s Sports Theatre & Grill,

15028 Hesperian Blvd , San Leandro , 94578 United States

- Google Map

PLEASE NOTE THE DATE CHANGE! Our club members will be showing their photos from their dives, in both cold and tropical waters.

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2018 Holiday Party

December 8 @ 6:30 pm

La Cabaña,

7163 Rich Avenue , Newark , 94560 United States

- Google Map

Come join your dive buddies, families, and friends as we join together for the holiday celebration.

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PADI Emergency First Response Course

November 24 @ 8:00 am - 5:00 pm
DAN Basic Life Support Course

December 1 @ 8:00 am - 5:00 pm
2018 Holiday Party

December 8 @ 6:30 pm - 11:30 pm
Cozumel 2018

December 20, 2018 - January 5, 2019

From The Aqua Tooter

California spiny lobster found at North Monastery

Aqua Tooter October 2018

At our October meeting, we were delighted to hear a presentation from Paulina Salinas-Ruiz, an Applied Marine & Watershed Science M.S. graduate student at California State University Monterey Bay.

Finescale triggerfish, Balistes polylepis, spotted at Breakwater Wall

Strange Fish in Weird Places with Paulina Salinas-Ruiz

At our October meeting, we were delighted to hear a presentation from Paulina Salinas-Ruiz, addressing fish and invertebrates that are migrating north up the west coast where they are not considered an indigenous species.

Aqua Tooter September 2018

At our September meeting, Linda Hunter from the Wild Oyster Project explained the mission of the project and why bringing back native oysters can help prevent damage from rising sea levels.

California Bans Giant Ocean Fishing Nets

Used to catch swordfish, the giant nylon curtains often entangle dozens of other marine species.

More to the "White Shark Café" Than Originally Thought!

A recent expedition to the mid-Pacific region dubbed the “White Shark Café” has revealed not an apparently empty area, but one that was teaming with life.

Chemicals in sunscreen make corals more susceptible to bleaching.

More About Coral-Safe Sunscreens

Follow-up to the July newsletter where we noted that Hawaii banned the use of sunscreen with chemicals that can damage Coral Reefs.

Green image created by Nikitabuida - Freepik.com

AB 1884 - Straws Upon Request

September 20th, California became a greener state. Governor Jerry Brown signed AB 1884 bill.

Coastal Cleanup Day with the Monterey Bay Sea Otters Dive Club

We couldn’t have asked for a more beautiful day to team with the Monterey Bay Sea Otters Dive Club to collect underwater debris at the Breakwater.

ATDC Members dispersing flowers in memory of Joe at San Carlos Beach

Goodbye to Joe

On Saturday, September 15, a group of about 25 Tooters met to say goodbye to club Lifeme Member “Aloha" Joe Timmons at San Carlos Beach.

The Wild Oyster Project - Restoring Native Oysters to San Francisco Bay

At our September meeting, Linda Hunter from the Wild Oyster Project explained the mission of the project and why bringing back native oysters can help prevent damage from rising sea levels.