Scorpion Cove on Santa Cruz Island is a prominent site within Channel Islands National Park, offering accessible shore entries for divers and snorkellers. The topography consists of extensive kelp forests and sea caves, providing a varied underwater environment. Conditions are generally protected, though divers should be aware of potential hazards including boat traffic, surge, surf, and strong currents. Water temperatures are cold, ranging from 14C to 19C throughout the year, making wetsuits necessary for all activities. The site is well-suited for beginners and offers facilities such as toilets, equipment rental, and guided tours to support visitors.

The USS Peacock wreck lies at depths between 18 and 21 metres off Anacapa Island. This site is suited for intermediate divers who can manage moderate currents and unpredictable surge. Visibility typically ranges from 10 to 20 metres, allowing for clear views of the structure. Water temperatures are cool, ranging from 13 to 17 degrees Celsius, necessitating appropriate thermal protection. Access is exclusively by boat, and divers should monitor swell conditions closely before entry. The wreck provides a structural environment that has been colonised by various reef species, offering biological interest alongside the historical remains. Divers should plan for an average bottom time of 40 minutes.

San Pedro Point at Anacapa Island offers a shallow reef and kelp forest environment suitable for intermediate divers. The site features an average depth of 6 metres, with a range between 3 and 9 metres. Access is via shore entry, and divers can expect mild currents and visibility typically ranging from 3 to 10 metres. Water temperatures fluctuate between 14C and 18C throughout the year. Species recorded around this area include California sea lions, Garibaldi, Spanish shawls, and various invertebrates such as octopuses and nudibranchs. The site provides a varied underwater topography consisting of natural reef structures and kelp forest habitats.

Pink Ribbon Reef at Anacapa Island is a reef and kelp forest environment suited for intermediate divers. The site features an average depth of 7 metres, with a maximum depth of 8 metres. Access is by boat only, as the site is located 5 kilometres from shore. Divers may encounter moderate currents and visibility ranging from 5 to 25 metres. Water temperatures fluctuate between 14C and 18C due to the mixing of northern and southern currents. Species recorded around this area include California sea lions, Garibaldi, Spanish shawls, harbour seals, horn sharks, California moray eels, and California spiny lobsters. Hazards include cold water and surf conditions.

Yellow Banks is a shallow reef located at Anacapa Island, United States, featuring a consistent depth of 6 metres. This site is suitable for beginner divers, offering a comfortable environment with mild currents and visibility ranging from 10 to 30 metres. Access is by boat only. Water temperatures fluctuate between 14 and 18 degrees Celsius throughout the year, necessitating appropriate thermal protection. Divers should exercise caution regarding buoyancy and hand placement, as the reef substrate contains sharp rocks and sea urchins. Species recorded around this area include California sea lions, Garibaldi, Spanish shawls, horn sharks, and California spiny lobsters.

Pelican Bay on Santa Cruz Island features a rocky reef and kelp forest habitat. Divers and snorkellers can explore depths ranging from 11 to 21 metres. Access is strictly by boat, as the site is located over 30 kilometres from the shore. Conditions typically include mild currents and visibility between 5 and 10 metres. Marine life recorded at the site includes horn sharks, garibaldi, flamingo tongue, ochre sea stars, brittle stars, sea stars, snails, striped shore crabs, and sea cucumbers. Water temperatures fluctuate between 13 and 17 degrees Celsius throughout the year. Hazards to be aware of include boat traffic, surf, sea urchins, and the depth of the site.

Blue Banks is a reef and kelp forest site located off Santa Cruz Island within the Channel Islands National Park. The site is accessed exclusively by boat. Divers should be prepared for moderate currents and surge, as well as potential boat traffic in the area. Conditions vary, with water temperatures ranging from 14C to 20C throughout the year. Given the environmental factors, this site is suited for intermediate divers. The topography consists of a shallow reef structure at a depth of approximately 4 metres.

Rat Rock is a marine site located at Anacapa Island within the Channel Islands National Park. The topography features a combination of reef, wall, and kelp forest structures. Divers typically experience depths ranging from 5 to 9 metres, with an average depth of 7 metres. Access to this site requires a boat, as it is situated 1609 metres from the shore. Conditions at the site include moderate currents and visibility between 12 and 15 metres. Divers should be aware of potential hazards including sharp coral, strong currents, and surge. Typical dives at this location last approximately 45 minutes.