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.

Farnsworth Bank is a remote offshore reef and pinnacle system located 3200 metres from the coast of Two Harbors. The site features dramatic topography including walls and drop-offs, with depths ranging from 17 to 40 metres and an average depth of 27 metres. Due to the exposed location, divers encounter strong currents and variable visibility between 12 and 30 metres. This site is strictly for advanced divers and requires boat access. Water temperatures range from 14 to 17 degrees Celsius, with a noticeable thermocline at depth. A 7mm wetsuit or dry suit is recommended for thermal protection. Hazards include boat traffic, deep water, and potential entanglement.

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.

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.

Rock Quarry near Two Harbors is a boat-accessible site featuring a combination of reef, artificial reef, and kelp forest habitats. The site reaches depths between 6 and 36 metres, with an average depth of 18 metres. Divers should be prepared for mild currents and potential boat traffic. Visibility typically ranges from 13 to 15 metres, and water temperatures fluctuate between 14 and 18 degrees Celsius throughout the year. Due to the depth and environmental conditions, this site is suited for intermediate divers. Species recorded around this area include California sea lions, Garibaldi, Spanish shawls, horn sharks, California morays, leopard sharks, eagle rays, lesser two-spot octopuses, guitarfish, scorpionfish, California spiny lobsters, Atlantic pyrosomes, wrasses, and egg-yolk jellyfish.

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.

Yellowtail Point in Two Harbors is a boat-access site featuring a reef and kelp forest. Divers typically explore depths between 10 and 30 metres, with an average depth of 15 metres. Visibility generally ranges from 10 to 20 metres. The site is suitable for intermediate divers, though conditions require monitoring due to potential surge and swell. A mild current is common. Given the water temperatures of 14 to 17 degrees Celsius, appropriate thermal protection is recommended. Boat access is required, and divers should check local weather forecasts for swell activity before departure to ensure safe conditions for entry and navigation around the reef structure.

Rippers Cove is a marine dive site situated near Two Harbors on Santa Catalina Island. The site features a combination of reef and kelp forest topography. Divers can expect depths of approximately 21 metres. Visibility at this location typically ranges between 10 and 20 metres, with water temperatures fluctuating from 15C in the winter months to 19C during late summer. A typical dive at this location lasts around 45 minutes. Due to the depth and environment, this site is generally suited for divers with appropriate training and experience in kelp forest navigation.