The Yukon Wreck is an artificial reef located 3218 metres offshore from San Diego. This wreck dive sits at depths between 18 and 34 metres, with an average depth of 24 metres. Access is strictly by boat charter. Divers should be prepared for cold water temperatures, which typically range from 10 to 19 degrees Celsius throughout the year. Visibility varies significantly from 3 to 18 metres. Due to the depth, potential for entanglement, overhead environments within the wreck, and variable currents, this site is suitable only for advanced divers. Divers should be aware of hazards including cold water, surge, and low visibility.

Mission Point Park is a shore-entry dive site featuring a combination of natural reef and artificial reef structures. The site is suitable for beginners, with depths ranging from 1 to 9 metres and an average depth of 2 metres. Divers should be aware of moderate currents, surf, and boat traffic in the area. Visibility typically fluctuates between 3 and 7 metres. Water temperatures range from 15C to 21C, though upwelling can cause temperatures to drop significantly, sometimes falling below 13C. Facilities available at the park include parking, toilets, and showers. Night diving is permitted at this location, with typical dives lasting approximately 55 minutes.

Nosc Tower Wreck is an artificial reef located 1609 metres offshore in the United States. This site is suitable for intermediate divers and requires boat access. The wreck lies at depths ranging from 9 to 18 metres, with an average depth of 14 metres. Divers should expect mild currents and visibility between 5 and 8 metres. Water temperatures fluctuate between 15C and 19C, with a thermocline present that can cause temperatures to drop by 5 to 10 degrees Fahrenheit at depth. Hazards at this location include boat traffic, potential entanglement, sharp structures, and surge. Typical dives at this site last approximately 45 minutes.

Children's Pool in San Diego is a shore-entry dive site featuring a mix of reef and kelp forest topography. Divers can expect depths ranging from 1 to 8 metres, with an average depth of 6 metres. Conditions vary, with visibility spanning 5 to 30 metres and water temperatures between 15C and 22C. The site is suited for intermediate divers due to potential hazards including surge, surf, rip currents, strong currents, and entanglement risks. Facilities available at the location include parking, toilets, and showers. A typical dive at this site lasts approximately 45 minutes.

The Ruby E is a decommissioned US Coast Guard cutter resting on a sandy bottom off San Diego. This artificial reef sits at depths between 15 and 26 metres, with an average depth of 23 metres. Divers access the site by boat, approximately 3218 metres from shore. Conditions feature mild currents and visibility ranging from 5 to 18 metres. The wreck offers penetration opportunities, though these require advanced buoyancy control and awareness of entanglement risks. Due to the overhead environment and depth, this site is suited for intermediate divers. Water temperatures remain cold, ranging from 14C to 19C, necessitating a drysuit or a 7mm wetsuit with a hooded vest.

La Jolla Cove is a protected marine sanctuary in San Diego, United States, offering diverse underwater topography including reef, kelp forest, cave, and seagrass habitats. Divers and snorkellers access the site via concrete stairs leading into a sheltered cove. Depths range from 3 to 30 metres, with an average of 10 metres. Conditions include moderate currents, surge, and surf, with visibility between 3 and 12 metres. Water temperatures fluctuate between 14C and 19C, necessitating a 7mm wetsuit year-round. Hazards include rip currents, entanglement, and strong currents. Facilities at the site include parking, toilets, and showers. Night diving is permitted, with typical dives lasting 50 minutes.

The Cave is a shallow reef site located 400 metres off the coast of San Diego, United States. With depths ranging from 6 to 10 metres, it is well-suited for beginner divers. Visibility typically spans 10 to 30 metres, and currents remain mild. Divers frequently encounter California sea lions, harbour seals, horn sharks, guitarfish, leopard sharks, eagle rays, and garibaldi. Other common sightings include barracuda, whiptail stingrays, wrasses, California spiny lobsters, scorpionfish, and drum and croaker. Entry requires caution due to potential surf, shore break, surge, and rip currents. On-site facilities include parking, toilets, and showers. The site is open year-round and supports night diving.

La Jolla Kelp Forest offers a shore-entry dive into a dense kelp canopy located 90 metres from the beach. The site features a reef environment with depths ranging from 6 to 18 metres, averaging 13 metres. Conditions include mild currents, though divers should be prepared for surge, variable visibility between 3 and 12 metres, and potential kelp entanglement. The shore entry requires navigating surf and shore breaks, making it suitable for beginners who are comfortable with beach entries. Water temperatures fluctuate between 15 and 19 degrees Celsius throughout the year. Facilities at the site include parking, toilets, and guided tours.