The SS Dominator is a wreck and artificial reef located off the coast of Two Harbors. Resting at depths between 15 and 25 metres, the site is accessible via both shore and boat entry. Divers should expect mild currents and visibility typically ranging from 5 to 10 metres. Water temperatures fluctuate between 14 and 18 degrees Celsius, necessitating appropriate thermal protection. The site is suited for intermediate divers, though surge and swell conditions require careful monitoring before entry. Navigating the wreckage presents entanglement risks, so divers should exercise caution when exploring the structure.

Flat Rock is a reef and kelp forest site located in Two Harbors, offering depths between 5 and 12 metres with an average of 8 metres. This location is suitable for intermediate divers and snorkellers, featuring mild currents and visibility ranging from 5 to 15 metres. The site is accessible by both shore and boat, though shore entries require caution due to potential surf, surge, and shore break. Water temperatures fluctuate between 15 and 19 degrees Celsius throughout the year. Night diving is permitted at this location, providing an alternative experience of the reef structure. Divers should confirm local facility availability before arrival.

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.

Honeymoon Cove in Two Harbors offers a shore-entry dive featuring a combination of reef and kelp forest topography. Divers can explore depths ranging from 5 to 30 metres, with an average depth of 15 metres. Visibility typically spans 10 to 20 metres, and currents are generally mild. The site is suited for intermediate divers, though surge and swell conditions vary. Water temperatures range from 14 to 17 degrees Celsius, necessitating the use of a wetsuit. Divers should remain aware of boat traffic near the shore and exercise caution regarding sea urchins and sharp rocks when entering or exiting the water.

Christmas Tree Cove in Two Harbors offers a varied underwater landscape featuring reef, kelp forest, and wall terrain. Divers can explore depths ranging from 1 to 24 metres, with an average depth of 12 metres. The site is accessed via a shore entry, which requires caution due to a surf break and potential surge. With visibility typically between 3 and 4 metres and moderate currents, this site is suited for intermediate divers who can manage buoyancy and navigation in changing conditions. Water temperatures remain between 14 and 17 degrees Celsius throughout the year, necessitating appropriate thermal protection. Parking is available on-site, though spaces fill quickly on weekends.

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.

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.

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.