Ben Weston Point near Two Harbors offers a shore-entry dive featuring a reef and kelp forest environment. The site reaches depths between 20 and 30 metres, with an average depth of 7 metres. Divers can expect moderate currents and visibility ranging from 5 to 10 metres. Water temperatures fluctuate between 14C and 18C throughout the year, necessitating appropriate thermal protection. Entry requires careful navigation of the surf and shore break, which is the most demanding aspect of the dive. This site is suitable for beginners, though divers should monitor local conditions and time their entry to avoid challenging surf sets.

Sentinel Point is a reef dive site located near Two Harbors on Santa Catalina Island. The site is accessed by boat and is suitable for beginner divers. Depths range from 9 to 17 metres, with an average depth of 13 metres. Divers should be aware of boat traffic in the area. Conditions include moderate currents and visibility typically between 5 and 9 metres. Water temperatures fluctuate throughout the year, ranging from 15C in the winter months to 19C during late summer and autumn. A typical dive at this location lasts approximately 45 minutes.

China Point is a reef dive located off the coast of Two Harbors, Santa Catalina Island. The site features a reef structure that spans depths between 12 and 28 metres, allowing for exploration across varying levels. Divers typically access the site by boat. Conditions include moderate currents that can fluctuate with the tides, and visibility generally ranges from 10 to 30 metres. Water temperatures remain between 14 and 18 degrees Celsius throughout the year, necessitating appropriate thermal protection. While the site is suitable for beginners, divers should coordinate with their boat operator to assess current strength before entry.

Lobster Bay, located off the coast of Two Harbors, features a combination of reef structure and kelp forest. Divers can explore depths ranging from 17 to 30 metres with visibility typically between 10 and 20 metres. Access to this site is by boat only. Conditions include mild currents, though surge and swell are common hazards that require careful monitoring of positioning near the reef. Water temperatures fluctuate between 14 and 18 degrees Celsius throughout the year, necessitating appropriate thermal protection. This site is suited for intermediate divers, and Open Water certification is the minimum requirement for entry.

Salta Verde is a reef site located near Avalon on Santa Catalina Island. This site is accessed by boat and is suited for intermediate divers. The average depth is approximately 7 metres, with conditions generally featuring mild currents. Water temperatures fluctuate throughout the year, ranging from 15C in the winter and spring months to 21C in August. Species recorded around this area include California sea lions, Garibaldi, California moray, horn sharks, Spanish shawl nudibranchs, lesser two-spot octopus, leopard sharks, eagle rays, wrasses, California spiny lobster, Atlantic pyrosomes, scorpionfish, three-lined aeolids, and barracuda.

Cape Cortes, located off Two Harbors, features a combination of reef and kelp forest environments. Divers typically explore depths between 20 and 25 metres, with visibility ranging from 10 to 24 metres. The site is accessible by boat only and experiences mild currents. Due to water temperatures between 15 and 18 degrees Celsius and the presence of thermoclines, a 7mm wetsuit or drysuit is recommended. Divers should monitor depth and bottom time to manage risks associated with nitrogen narcosis and decompression. Surface boat traffic requires caution during ascents, and care should be taken to avoid entanglement within the kelp forest.

Kelp Point in Two Harbors features a reef and kelp forest environment ranging from 12 to 36 metres in depth. The site is defined by tall vertical kelp columns that create natural swim-through corridors and filter ambient light. Visibility typically fluctuates between 10 and 30 metres. Divers should expect moderate currents and water temperatures between 14 and 17 degrees Celsius, with thermoclines often present between 18 and 24 metres. Access is by boat only. Due to the risk of entanglement in the kelp and the presence of boat traffic, divers should maintain a streamlined kit, carry a line cutter, and exercise caution during surface intervals.

Located off Avalon, Catalina Island, this site features a combination of reef, kelp forest, and wall topography. Divers typically explore depths between 9 and 30 metres, with an average depth of 12 metres. Access is by boat only, as the site is situated 8 kilometres from shore. Conditions include strong currents and visibility ranging from 12 to 18 metres. Water temperatures fluctuate between 14 and 18 degrees Celsius, with potential thermoclines in deeper sections. Hazards include cold water, entanglement risks, strong currents, and surf. Species recorded around this area include California sea lions, Garibaldi, horn sharks, Spanish shawl nudibranchs, California moray eels, and California spiny lobsters.