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  • About
    • Mission and Vision
    • Our Goals and How We Get There
    • Where We Work
      • Saving the Scalloped Hammerheads of Baja
      • California Marine Protection
      • Hawai’i Kahu Manō- Guardians of the Shark
        • Respect for Hawaii Fish- Aquarium Collection
        • ‘Auamakua, Hawaii’s Spiritual Connection to the Shark
      • Sharks in the Coral Triangle
        • Indonesia Protecting Sharks and Reefs
        • Creating a Marine Protected Area in Indonesia
    • Our Team
      • Media Kit, David McGuire, Shark Stewards
    • Partners & Donors
    • Victories & Milestones
      • WE DID IT! Saving Endangered Sharks at CITES 2022
      • US Shark Fin Sales Elimination Act Signed into Law
      • Law to End Lethal California Driftnet Fishery Passes
      • Support the Papahānaumokuākea National Marine Sanctuary Designation
    • Shark Stewards DEI Statement
    • Statement Against Asian and API Hate
  • Our Work
    • Saving Sharks
    • California Marine Protected Area Network
    • Sustainable Ecotourism and Data Dives
    • Citizen Science
    • Media Production
  • Science & Education
    • Aquatic Park Stewardship
    • Community Science
    • Shark Watch California
      • Sharktober Sanctuary Wildlife Expeditions
        • Sharktober: Farallon Sanctuary and Wildlife Tours
        • Sharktober Sanctuary Tours- Instructions
      • Observe and Record Sevengill Sharks
      • Sharks of the San Francisco Bay
      • Shark ID and MPAs Education Adventure
    • Inland Ocean Academy
    • Shark Science Sheets
      • CITES Shark Science Sheets
    • Sharks of Hawaii
    • Shark Sanctuary and MPAs
    • White Shark Stewardship
      • How to Avoid a White Shark Attack
      • Sharktober- White Shark Awareness
  • Campaigns
    • Stop the Ocean Steal
    • Act Now to Defend the Endangered Species Act
    • Save the Endangered Species Act
      • PETITION TO DEFEND THE ENDANGERED SPECIES ACT
    • SHARKED Act in Senate Committee- Act Now
    • Defend Pacific Marine National Monuments From Commercial Fishing
    • Support NOAA and our National Marine Sanctuaries
    • Urgent Action to Save Oceanic Whitetip Sharks
    • Stop Big Plastic From Polluting Oceans
  • Get Involved
    • Contact Us
    • Shark Buddies- Connect and Protect
    • Adventures
    • Help Us Save Sharks
    • Beach Cleanups and Surveys
    • Events
  • Shark News
  • Shop
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Catalina Harbor Cleanup

Avalon Harbor Underwater Clean up and ocean fair
Feb. 21, 2026

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Catalina Underwater Cleanup with PCH SCUBA

The Jet Lagged exit ocean in dive gear

Avalon Underwater Cleanup on 2/25 with PCH Scuba dive bash all weekend. Fight for sharks and clean the ocean.

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Products

  • science book Sharks for Kids: A Junior Scientist's Guide to Great Whites, Hammerheads, and Other Sharks $14.95
  • Swag Mens Hammerhead and Manta Ray T shirt $29.99
  • Swag Hammerhead and Manta T Women's $29.99
  • Tiger Shark Shark Stewards Shark Buddies $100.00

Act Now

  • Nets of Death: End a Fishery That Will Save Sharks

    Please support saving California marine wildlife by contacting your Congressional representative and ask them to support the Driftnet Modernization and Bycatch Reduction Act.

  • Voices: A Scalloped Hammerhead’s Call from Hawaii

    Even though Hawaii’s hammerhead population isn’t currently listed under the ESA, it’s connected to these other populations through migration and genetic exchange. We’re all part of the same species. When …

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  • About
    • Mission and Vision
    • Our Goals and How We Get There
    • Where We Work
      • Saving the Scalloped Hammerheads of Baja
      • California Marine Protection
      • Hawai’i Kahu Manō- Guardians of the Shark
        • Respect for Hawaii Fish- Aquarium Collection
        • ‘Auamakua, Hawaii’s Spiritual Connection to the Shark
      • Sharks in the Coral Triangle
        • Indonesia Protecting Sharks and Reefs
        • Creating a Marine Protected Area in Indonesia
    • Our Team
      • Media Kit, David McGuire, Shark Stewards
    • Partners & Donors
    • Victories & Milestones
      • WE DID IT! Saving Endangered Sharks at CITES 2022
      • US Shark Fin Sales Elimination Act Signed into Law
      • Law to End Lethal California Driftnet Fishery Passes
      • Support the Papahānaumokuākea National Marine Sanctuary Designation
    • Shark Stewards DEI Statement
    • Statement Against Asian and API Hate
  • Our Work
    • Saving Sharks
    • California Marine Protected Area Network
    • Sustainable Ecotourism and Data Dives
    • Citizen Science
    • Media Production
  • Science & Education
    • Aquatic Park Stewardship
    • Community Science
    • Shark Watch California
      • Sharktober Sanctuary Wildlife Expeditions
        • Sharktober: Farallon Sanctuary and Wildlife Tours
        • Sharktober Sanctuary Tours- Instructions
      • Observe and Record Sevengill Sharks
      • Sharks of the San Francisco Bay
      • Shark ID and MPAs Education Adventure
    • Inland Ocean Academy
    • Shark Science Sheets
      • CITES Shark Science Sheets
    • Sharks of Hawaii
    • Shark Sanctuary and MPAs
    • White Shark Stewardship
      • How to Avoid a White Shark Attack
      • Sharktober- White Shark Awareness
  • Campaigns
    • Stop the Ocean Steal
    • Act Now to Defend the Endangered Species Act
    • Save the Endangered Species Act
      • PETITION TO DEFEND THE ENDANGERED SPECIES ACT
    • SHARKED Act in Senate Committee- Act Now
    • Defend Pacific Marine National Monuments From Commercial Fishing
    • Support NOAA and our National Marine Sanctuaries
    • Urgent Action to Save Oceanic Whitetip Sharks
    • Stop Big Plastic From Polluting Oceans
  • Get Involved
    • Contact Us
    • Shark Buddies- Connect and Protect
    • Adventures
    • Help Us Save Sharks
    • Beach Cleanups and Surveys
    • Events
  • Shark News
  • Shop

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2150 Allston Way, Suite 460
Berkeley, CA 94704

Shark Stewards is a project of The Earth Island Institute, an environmentalist think tank founded by David Brower in 1983 and a 501(c)(3) non-profit.

Our media partner is Scubazoo, who we thank for their generous support and donation of images.