Cordell Bank
National Marine Sanctuary
Multimedia Gallery

Dive deep beneath the ocean surface and encounter a surprising technicolor reefscape.


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Fish swarm around vibrant corals

Explore the Blue: 360° Cordell Bank Adventure

Take a virtual dive on Cordell Bank without getting wet and explore this colorful environment through this immersive experience. Discover colorful corals and anemones, rockfish, jellies, ocean sunfish and more.

Dive In

Cordell Bank is a marine oasis. On the surface, recreational anglers try for grouper, sea bass, and snapper, while a northern gannet flies overhead, and a NOAA weather buoy collects data. Beneath the waves, divers share the waters with a host of colorful tunicates, sponges, soft corals, and other residents of the live-bottom reef, like a loggerhead sea turtle, octopuses, nurse sharks, schools of spadefish, jellyfish, and North Atlantic right whales.
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Cordell Bank National Marine Sanctuary Poster

Ocean conditions and undersea topography combine to fuel a rich and diverse marine community around Cordell Bank. The rocky bank is encrusted with colorful anemones, sponges, and corals and provides habitat for species like top snails, decorator crabs, rosy rockfish, lingcod, and giant Pacific octopus. The waters above and around the bank concentrate krill, juvenile rockfish, anchovy, and jellies attracting ocean sunfish, California sea lions, and the blue whale. Illustration by Matt McIntosh/NOAA