Redondo Breakwater is a shore-accessible artificial reef located off the coast of Santa Catalina Island. The site features depths ranging from 8 to 22 metres, with an average depth of 18 metres. Conditions are generally manageable for beginners, with mild currents and visibility typically between 5 and 15 metres. Divers should exercise caution regarding surge near the structure and remain vigilant for boat traffic when entering or exiting the water. Facilities including parking, toilets, and showers are available on site. A typical dive duration is approximately 40 minutes, and water temperatures range from 15 to 18 degrees Celsius throughout the year.

Veteran's Park on Santa Catalina Island offers a shore-accessible dive featuring a combination of artificial reef structures and canyon topography. With an average depth of 5 metres, this site is suitable for beginners. Divers frequently encounter California sea lions, horn sharks, East Pacific red octopuses, and garibaldi. Other species recorded here include scorpionfish, California spiny lobsters, and various nudibranchs like the Spanish shawl. Conditions vary with visibility ranging from 4 to 15 metres and mild currents. Hazards include boat traffic, surf, and a thermocline. Facilities at the site include parking, showers, and a rinse station. Night diving is permitted, with typical dives lasting around 40 minutes.

The Star of Scotland is a shipwreck located 3,200 metres off the coast of Santa Catalina Island, serving as an artificial reef. Resting at depths between 21 and 26 metres, the site is accessible exclusively by boat. Divers should expect mild currents and visibility ranging from 3 to 12 metres. Due to the nature of the wreckage, there is a risk of entanglement, requiring careful buoyancy control and awareness when navigating the structure. Given the variable visibility, carrying a torch is recommended to assist with navigation and buddy communication. This site is suited for intermediate divers who are comfortable with wreck exploration in temperate marine conditions.

The Palawan is an artificial reef and wreck site located 4000 metres off the coast of Two Harbors, Santa Catalina Island. The site sits in depths ranging from 5 to 38 metres, with the primary structure located at the deeper end of this range. Due to the depth and potential for moderate currents, this site is suitable only for advanced divers. Visibility typically fluctuates between 10 and 30 metres. Water temperatures remain consistently cool between 14 and 16 degrees Celsius throughout the year, necessitating appropriate thermal protection. Divers must be aware of active boat traffic and potential entanglement hazards on the wreck structure. Access is exclusively by boat.

In2Deep at Santa Catalina Island offers a varied underwater landscape featuring a mix of reef, kelp forest, and pinnacle terrain. Divers can explore depths ranging from 3 to 21 metres, with an average depth of 10 metres. This site is suited for intermediate divers due to moderate currents and challenging shore entry conditions, including surf, shore breaks, and rip currents. Visibility typically ranges from 3 to 9 metres, requiring solid navigation skills. Water temperatures fluctuate between 14C and 19C throughout the year, necessitating appropriate thermal protection. Divers should exercise caution regarding surge and swell, and wear protective footwear to navigate the rocky shoreline safely.

The Landing Craft LCM3 is a compact wreck located 3200 metres off the coast of Two Harbors, Santa Catalina Island. Resting at a constant depth of 17 metres, this artificial reef is accessible only by boat. The site features mild currents and visibility averaging 5 metres, requiring careful navigation. Divers should be aware of potential entanglement hazards within the wreck structure and are advised to carry a torch. Water temperatures range from 14 to 18 degrees Celsius, necessitating appropriate thermal protection. Species recorded around this area include California sea lions, horn sharks, Spanish shawls, harbor seals, and Garibaldi.

Haggerty's Crane in Two Harbors is a shallow shore dive reaching a consistent depth of 8 metres. The site is defined by a kelp forest that provides structure over a rocky bottom, making it suitable for beginner divers. Visibility typically ranges from 5 to 10 metres. Divers should expect mild currents, though surge and swell conditions are common during shore entry. Water temperatures fluctuate between 15 and 19 degrees Celsius throughout the year, necessitating appropriate thermal protection. Exercise caution when navigating the shallows to avoid sharp rocks and coral. Facilities are not guaranteed on site, so divers should arrive prepared with all necessary equipment.

Malaga Cove is a shore-entry reef and kelp forest site located in Two Harbors, Santa Catalina Island. Divers and snorkellers navigate depths ranging from 3 to 12 metres, with an average depth of 6 metres. The site features mild currents, though conditions vary with visibility ranging from 5 to 25 metres. Hazards include potential entanglement in kelp, variable visibility, and surge. Shore entries require caution due to surf and shore breaks. Water temperatures fluctuate between 15C and 19C throughout the year. Parking is available on-site, and the location is suited for intermediate skill levels.