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NOAA's Office of National Marine Sanctuaries serves as the trustee for a network of underwater parks encompassing more than 620,000 square miles of marine and Great Lakes waters from Washington state to the Florida Keys, and from Lake Huron to American Samoa. The network includes a system of 15 national marine sanctuaries and Papahānaumokuākea and Rose Atoll marine national monuments.

Guide to Diving in Channel Islands National Marine Sanctuary

Channel Islands National Marine Sanctuary, often described as the “Galapagos of North America,” is home to incredible marine wildlife, kelp forests, and maritime heritage artifacts, and contains waters that sustained Chumash people since time immemorial.

How to Dive Flower Garden Banks National Marine Sanctuary

Flower Garden Banks National Marine Sanctuary is an off the beaten path destination for the most adventurous divers. Divers who visit the sanctuary can explore some of the healthiest corals in the world, a manta ray nursery and a chance to see whale sharks.