Ten Mile Point offers a varied underwater landscape featuring reef, wall, and kelp forest topography. Located off Victoria, Canada, this site is suited for advanced divers due to strong currents that require careful planning around slack water. Depths typically range from 10 to 20 metres with visibility between 5 and 10 metres. Water temperatures remain consistently between 8 and 9 degrees Celsius, necessitating a drysuit and hood. Divers may encounter various nudibranchs including the White-lined Dirona, Monterey Dorid, and Nanaimo Dorid, alongside Orange Sea Cucumbers and crabs. Rare sightings include California Sea Lions, Harbor Seals, and the Lion Nudibranch. Shore and boat entries are both available for this site.

Telegraph Cove in Victoria, Canada, offers a diverse underwater environment featuring reefs, walls, and kelp forests. Divers can expect depths between 6 and 20 metres, with an average of 12 metres. Visibility varies from 5 to 15 metres, and moderate currents require careful planning around slack water. The site is accessible by both shore and boat. Marine life includes common sightings of crabs and orange sea cucumbers, alongside uncommon species such as Monterey Dorid, Nanaimo Dorid, White-lined Dirona, Three-lined Aeolid, Northern Leopard Dorid, Egg-yolk Jellyfish, Northern Kelp Crab, Mottled Star, and Leather Star. Rare encounters include King Crab, Clown Dorid, and Branched Dendronotid. A drysuit is recommended due to the consistent 8 to 9 degree Celsius water temperature.

Fulford Reef, located off the coast of Victoria, Canada, features a combination of kelp forest and reef topography. The site ranges from 5 to 30 metres in depth, with an average depth of 18 metres. Divers should be prepared for cold water temperatures between 8 and 9 degrees Celsius, necessitating appropriate thermal protection. Visibility typically spans 10 to 20 metres. Access is strictly by boat, and divers must manage surge and swell conditions, which can impact the shallower kelp sections and ascent. The site is suited for intermediate divers, with typical dive times around 45 minutes.

Johnstone Reef is a marine reef site located off Vancouver Island, British Columbia. Divers can explore this area at depths ranging from 7 to 12 metres. The site is accessible via both shore and boat entries, though divers should be prepared for moderate currents and visibility between 5 and 10 metres. Water temperatures remain cold, consistently between 8 and 10 degrees Celsius, making dry suits essential for comfort. Hazards include boat traffic and cold water conditions. Divers should deploy a surface marker buoy before ascending to ensure visibility to passing vessels. The site is suitable for beginners, with typical dives lasting approximately 45 minutes.

Chain Islet is a shore-entry reef dive located 1500 metres from the shore near Victoria, Canada. The site features depths ranging from 3 to 12 metres, with an average depth of 9 metres. Divers experience cold water temperatures between 8 and 10 degrees Celsius, necessitating a drysuit or thick wetsuit. Visibility is highly variable, spanning 5 to 30 metres. The site is subject to strong currents and surge, making slack water planning essential for safety. Hazards include boat traffic and sea urchins. Divers should use a surface marker buoy and consult tide tables to time their entry and exit around slack water.

Discovery Island offers a diverse underwater experience combining a wall, reef, and kelp forest. Divers can explore depths ranging from the surface down to 30 metres. The site is accessible only by boat, and intermediate divers should be prepared for moderate currents and surge. Visibility typically ranges between 10 and 20 metres. Water temperatures are consistently cold at 8 to 9 degrees Celsius, necessitating appropriate thermal protection such as a drysuit. Divers should time their entry around slack water to manage currents and monitor their depth carefully to mitigate risks associated with decompression and nitrogen narcosis.

Virtue Rock is a reef and wall site located 3500 metres offshore from Victoria, Canada. This boat-entry site is suited for intermediate divers comfortable with dynamic conditions, including moderate to strong currents and potential surge. Water temperatures remain cold, ranging from 8 to 11 degrees Celsius throughout the year, necessitating appropriate thermal protection. Visibility is variable and can drop to 5 metres, requiring careful depth monitoring. Species recorded around this area include various nudibranchs such as the White-lined Dirona and Monterey Dorid, as well as Harbor Seals, Steller Sea Lions, and Giant Pacific Octopuses. Divers should plan their entry around slack water to manage the currents.

Discovery Island Western Wall is a vertical reef structure located off the British Columbia coast. The site features a wall dropping from 10 to 30 metres, characterised by a dense kelp forest and deep rock formations. Divers should expect moderate currents that can strengthen rapidly, making it essential to plan dives around slack water. Visibility typically ranges from 10 to 20 metres. Due to the consistent water temperature of 8 to 9 degrees Celsius, a drysuit is recommended. Access is by boat only, and the site is best suited for intermediate divers capable of managing surge and current conditions.