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.

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.

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.

Brinn Rock is a shallow reef site located off the coast of Victoria, Canada. The site features a reef structure at depths between 5 and 9 metres, making it suitable for beginner divers. Visibility typically ranges from 5 to 10 metres. Access to this site is by boat only. Due to the cold water temperatures, which remain between 8 and 10 degrees Celsius throughout the year, divers must wear a drysuit or a 7mm wetsuit with a hood and gloves. Divers should remain alert for boat traffic, maintain a dive flag, and be aware of potential rip currents and jellyfish.

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.

Mouat Reef in Victoria, Canada, features a combination of reef topography and a wreck located 200 metres from the shore. Divers can explore depths ranging from 6 to 15 metres, with an average depth of 10 metres. The site is suited for intermediate divers due to strong currents, rip currents, and surge. Marine life includes common sightings of harbour seals, various crabs, and nudibranchs such as Monterey dorids and white-lined dirona. Less frequent encounters include California sea lions, Steller sea lions, and giant Pacific octopuses. Divers must navigate potential hazards including entanglement risks within the wreck, low visibility, and sea urchins at the shore entry point.

McNeill Point in Victoria, Canada, features a combination of natural and artificial reef structures ranging from 8 to 21 metres in depth. Located 400 metres from shore, this site is suited for intermediate divers capable of managing extreme currents. Visibility typically ranges between 6 and 9 metres, with water temperatures consistently between 8 and 9 degrees Celsius. Due to the extreme current, divers must strictly plan their entry around the slack tide window. While shore access is possible, boat entry is recommended to avoid surf and shore break at the island edge. Facilities available on site include parking, showers, changing rooms, and a rinse station.

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.