Ribbon Rock is a boat-access reef located off the coast of Two Harbors. The site features a reef structure at depths ranging from 15 to 20 metres. Divers should expect moderate currents, which can occasionally strengthen, requiring careful buoyancy control and drift awareness. Visibility typically ranges between 5 and 10 metres. Water temperatures are cool, fluctuating between 14C and 18C throughout the year, making a thick wetsuit or drysuit necessary. While listed as suitable for beginners, the depth and potential for current mean divers should be confident in their open water skills. Reliable boat support is required, and a surface marker buoy is recommended for the ascent.

Black Point is a shallow reef and kelp forest site located off the coast of Two Harbors. With depths ranging from 1 to 8 metres, this site is well-suited for beginner divers focusing on buoyancy control. The environment features mild currents and visibility typically between 10 and 30 metres. Water temperatures fluctuate between 15 and 20 degrees Celsius throughout the year, making a wetsuit advisable. Access to the site is by boat only. Divers should remain aware of local surge and swell patterns near the reef structure and monitor the surface for boat traffic at all times. A surface marker buoy is recommended before ascending.

Kelp Point in Two Harbors features a reef and kelp forest environment ranging from 12 to 36 metres in depth. The site is defined by tall vertical kelp columns that create natural swim-through corridors and filter ambient light. Visibility typically fluctuates between 10 and 30 metres. Divers should expect moderate currents and water temperatures between 14 and 17 degrees Celsius, with thermoclines often present between 18 and 24 metres. Access is by boat only. Due to the risk of entanglement in the kelp and the presence of boat traffic, divers should maintain a streamlined kit, carry a line cutter, and exercise caution during surface intervals.

Johnsons Rock is a pinnacle reef located 400 metres off the coast of Two Harbors. The site features a kelp forest environment with depths ranging from 6 to 27 metres, averaging 15 metres. Divers should expect moderate currents that can strengthen around the pinnacle, making it suitable for intermediate divers. Boat access is required to reach the site. Visibility typically spans 10 to 30 metres, allowing for clear observation of the rock structure. Night diving is permitted. Due to water temperatures between 15 and 19 degrees Celsius, a 5 mm wetsuit or a drysuit is recommended. Divers should exercise caution regarding currents, surf, and sharp rocks.

Stony Point in Two Harbors offers a diverse underwater environment featuring natural reef, kelp forest, and artificial reef structures. Situated at depths between 5 and 13 metres, the site provides a manageable experience for beginners with mild currents and visibility averaging 12 metres. Divers and snorkellers can access the site from the shore or by boat. While the conditions are generally forgiving, the entry point is subject to surf and surge, requiring careful observation of wave sets before entering. The water temperature ranges from 15 to 20 degrees Celsius throughout the year, making a 5mm wetsuit suitable for most conditions.

Eagle Rock is a pinnacle and reef site located 600 metres from shore near Two Harbors. The site features a kelp forest environment with depths ranging from 22 to 29 metres. Divers should expect moderate to strong currents, making boat entry and proximity to the pinnacle structure essential for managing drift. Visibility varies significantly from 5 to 25 metres, and water temperatures between 14 and 18 degrees Celsius require thermal protection. Species recorded around this area include Garibaldi, California spiny lobster, California moray, and various nudibranchs such as the Spanish shawl. This site is suitable for beginners, though caution regarding open water conditions and currents is advised.

Cape Cortes, located off Two Harbors, features a combination of reef and kelp forest environments. Divers typically explore depths between 20 and 25 metres, with visibility ranging from 10 to 24 metres. The site is accessible by boat only and experiences mild currents. Due to water temperatures between 15 and 18 degrees Celsius and the presence of thermoclines, a 7mm wetsuit or drysuit is recommended. Divers should monitor depth and bottom time to manage risks associated with nitrogen narcosis and decompression. Surface boat traffic requires caution during ascents, and care should be taken to avoid entanglement within the kelp forest.

Lobster Bay, located off the coast of Two Harbors, features a combination of reef structure and kelp forest. Divers can explore depths ranging from 17 to 30 metres with visibility typically between 10 and 20 metres. Access to this site is by boat only. Conditions include mild currents, though surge and swell are common hazards that require careful monitoring of positioning near the reef. Water temperatures fluctuate between 14 and 18 degrees Celsius throughout the year, necessitating appropriate thermal protection. This site is suited for intermediate divers, and Open Water certification is the minimum requirement for entry.