Gull Island, located off Santa Cruz Island, offers a diverse underwater environment featuring reef, wall, kelp forest, and artificial reef structures. Divers can explore depths ranging from 6 to 33 metres, with an average depth of 18 metres. Visibility varies significantly from 6 to 30 metres. The site is accessible only by boat and is suited for intermediate divers due to potential surge, swell, and cold water temperatures between 12 and 16 degrees Celsius. Species recorded around this area include scorpionfish, flatworms, sea hares, sea stars, ochre sea stars, tube worms, abalone, snails, and striped shore crabs. Divers should monitor for boat traffic and use a surface marker buoy.

Morse Point is a boat-access reef and kelp forest site located off Santa Cruz Island. Divers navigate depths ranging from 11 to 23 metres, with an average depth of 17 metres. Visibility at the site typically spans 10 to 30 metres, providing clear views of the reef structure and kelp canopy. Conditions feature mild currents, though surge and swell are common hazards that require careful buoyancy control. Due to water temperatures between 13 and 16 degrees Celsius, a 7mm wetsuit or drysuit is recommended. This site is suited for intermediate divers, with typical dives lasting around 50 minutes. Access is strictly by boat.

Kinton Point, located off Santa Cruz Island, is a reef and kelp forest site suited for intermediate divers. The site features depths ranging from 15 to 30 metres with visibility typically between 10 and 20 metres. A kelp canopy filters light through the water column, creating a structured environment. Divers should expect mild currents, though surface surge and swell are common hazards that require careful monitoring during boat entry and exit. Water temperatures are cool, ranging from 13 to 16 degrees Celsius throughout the year, necessitating appropriate thermal protection. Boat access is required to reach this location, and divers must be self-sufficient regarding equipment and air fills.

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.

Black Point is a reef dive located off Santa Cruz Island in the Channel Islands National Park. The site features a reef structure at depths between 14 and 20 metres. Divers can expect visibility ranging from 10 to 30 metres. While mild currents are typical, the site is subject to surge and swell, requiring intermediate skill levels and careful buoyancy control. Water temperatures remain cold throughout the year, fluctuating between 13 and 16 degrees Celsius. Access is exclusively by boat. Divers should monitor local reports for surge and current conditions before departure and wear a minimum 5mm wetsuit with a hood and gloves for thermal protection.

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.

Painted Cave on Santa Cruz Island offers a diverse underwater environment featuring a combination of cave, reef, wall, and kelp forest terrain. Divers can explore depths ranging from 9 to 30 metres with visibility typically between 10 and 30 metres. This site is accessible by boat only and requires intermediate skill due to moderate currents, surge, and the overhead cave environment. Divers must manage buoyancy carefully to avoid kelp entanglement and remain vigilant for boat traffic when surfacing. Given the overhead nature of the cave, proper orientation and the use of a torch are essential for safe navigation. Surge conditions can fluctuate rapidly, making swell forecasts a critical planning factor.

Skunk Bay, located off Santa Cruz Island, features a combination of reef structures and kelp forests. The site ranges from 6 to 30 metres in depth, with an average of 18 metres. Divers should be prepared for moderate currents, though surge, swell, and rip currents can increase the difficulty of the dive. Visibility typically spans 10 to 30 metres. Access is by boat only, and the use of a surface marker buoy is recommended for controlled ascents. Water temperatures remain between 12 and 15 degrees Celsius, necessitating appropriate thermal protection such as a thick wetsuit or drysuit.