San Nicholas Island is a remote site located 98 kilometres from the coast, accessible only by boat. The topography features a diverse mix of reef, kelp forest, pinnacles, and walls. Divers can expect depths between 25 and 30 metres with visibility ranging from 10 to 30 metres. Conditions are variable, with mild currents but potential for strong surge and swell. Water temperatures are cool, ranging from 13C to 16C, necessitating a drysuit or a 7mm wetsuit. Due to the exposed nature of the site and potential boat traffic, this location is best suited for intermediate divers who can manage changing conditions and surface safely.

Dutch Harbor is a protected anchorage located within Channel Islands National Park. This site features a shallow reef system and dense kelp forests. Divers and snorkellers can expect depths ranging from 8 to 15 metres, with an average depth of 11 metres. Access is by boat only, as the site is located approximately 96 kilometres from the shore. Conditions include mild currents and visibility between 10 and 30 metres. Due to the potential for surge, this site is recommended for advanced divers. Water temperatures fluctuate between 14C and 17C throughout the year.

Begg Rock is an isolated offshore pinnacle located in Channel Islands National Park. The site features a dramatic structure rising from 40 metres to a shallow depth of 10 metres, with an average depth of 25 metres. This advanced dive site is exposed to strong currents and significant surge, requiring boat access and careful planning around slack water. Visibility typically ranges from 10 to 30 metres. Given the cold water temperatures of 13 to 15 degrees Celsius, a drysuit or thick wetsuit is necessary. Divers should maintain strict buoyancy control and monitor depth closely due to the rapid drop-offs and potential for unpredictable current shifts around the pinnacle.

East End in Channel Islands National Park offers a diverse underwater landscape featuring reef, wall, kelp forest, and drop-off terrain. Divers can explore depths ranging from 12 to 30 metres, with an average depth of 21 metres. Visibility typically spans 10 to 30 metres. This site requires boat access and is suited for intermediate divers comfortable managing moderate currents, which can increase unexpectedly. Due to water temperatures between 13 and 16 degrees Celsius, a drysuit or a 7mm wetsuit with hood and gloves is necessary. Divers must remain vigilant regarding boat traffic, potential surface surf, and changing current conditions throughout the 50-minute typical dive duration.