North T-Pier is a shore-access artificial reef located in the United States near San Luis Obispo. The site consists of pier pilings and surrounding substrate, offering a shallow dive ranging from 1 to 5 metres with an average depth of 3 metres. Divers must navigate strong currents, surge, and active boat traffic, which require constant situational awareness. Visibility is typically around 5 metres, making it advisable to stay close to the structure to maintain orientation. Due to water temperatures between 12 and 15 degrees Celsius, a 5mm wetsuit is recommended. Facilities including showers and toilets are available on site for post-dive use.

T Pier is an artificial reef located in the United States, offering a shore-entry dive experience. The site maintains an average depth of 11 metres. Divers should be prepared for variable conditions, as visibility ranges from 3 to 20 metres and currents can be strong. The water temperature remains consistently cool, between 12C and 14C throughout the year. Due to the nature of the site, hazards include boat traffic, potential entanglement, surf, and periods of low visibility. Facilities available nearby include parking, showers, rinse stations, air fills, and boat charters. Night diving is permitted at this location, with typical dives lasting approximately 45 minutes.

Spooners Cove, located in Montana de Oro State Park, offers shore-accessible diving and snorkelling within a reef and kelp forest environment. Depths range from 5 to 18 metres, with an average of 10 metres. Divers may encounter California sea lions, harbour seals, and East Pacific red octopuses, alongside various nudibranchs such as clown dorids and Monterey dorids. The site features rocky structures and kelp fronds. Conditions include mild currents, though visibility is variable between 3 and 15 metres. Entry requires caution due to surf, shore break, and potential surge. Facilities at the site include parking and toilets, making it a practical location for beginner-level shore entries.

Buchon Reef is a marine site located 800 metres off the coast near San Luis Obispo, United States. The topography features a pinnacle, open reef, and kelp forest spanning depths of 7 to 40 metres, with an average depth of 25 metres. This site is suitable for intermediate divers who can manage strong currents and potential entanglement risks within the kelp. Visibility ranges from 10 to 30 metres. Boat access is required to reach the site and avoid dangerous shore breaks. Divers should use a surface marker buoy due to boat traffic. Species recorded around this area include California Sea Lions, Harbor Seals, various nudibranchs, and Scorpionfish.