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.

Bowen Point on Santa Cruz Island offers a combination of reef and wall topography suitable for beginner divers. The site features depths ranging from 15 to 19 metres, with an average depth of 17 metres. Access is by boat only, located 17 kilometres from shore. Divers can expect mild currents, though surge and swell are common, particularly near the wall structure. Visibility varies between 10 and 30 metres, and water temperatures fluctuate from 13 to 17 degrees Celsius throughout the year. A typical dive lasts 50 minutes. Divers should monitor water movement closely to maintain stability and manage buoyancy when navigating the wall.

Towers is a marine dive site located off Santa Cruz Island in the Channel Islands National Park. The topography features a combination of reef, kelp forest, wall, and pinnacle structures. Divers can expect depths ranging from 12 to 30 metres, with an average depth of 21 metres. Access to this site is by boat only, as it is situated 2000 metres from the shore. Conditions vary, with visibility ranging from 3 to 24 metres and moderate currents present. Due to the depth, potential for entanglement, and current, this site is suited for intermediate divers. Air fills and guided tours are available for those planning a visit.

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.

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.

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.

Scorpion Anchorage at Santa Cruz Island offers a diverse underwater environment featuring reef, wreck, and kelp forest topography. Divers can explore depths ranging from 3 to 21 metres, with an average depth of 18 metres. Visibility varies significantly from 5 to 30 metres. The site requires boat access and is suited for intermediate divers due to potential surge, swell, and entanglement risks within the kelp. Water temperatures remain between 13 and 17 degrees Celsius, necessitating thermal protection. Species recorded around this area include California sea lions, harbour seals, horn sharks, Garibaldi, and various nudibranchs such as the Spanish shawl.

Punta Arena, located off Santa Cruz Island, features a combination of reef structures and kelp forests. Divers typically explore depths between 14 and 18 metres, with an average depth of 15 metres. The site is accessible by boat and offers mild currents, though surge and swell conditions are common. Visibility ranges from 10 to 30 metres. Water temperatures fluctuate between 13 and 16 degrees Celsius, requiring appropriate thermal protection such as a 7mm wetsuit or drysuit. The site is suitable for beginners and supports night diving. Divers should remain vigilant for boat traffic when surfacing and monitor their ascent closely.