Whaleshead Beach on the Southern Oregon Coast offers a varied underwater environment featuring reefs, kelp forests, and caves. The northern end of the beach contains a channel situated between the shore and large offshore sea stacks, where kelp beds thrive. Divers and snorkellers can explore the whale spout rock formation from the water side. Access is via a shore entry from the sandy beach, requiring a short swim to reach the rocky areas. Conditions are variable with depths reaching 12 metres and visibility typically between 4 and 9 metres. Due to strong currents and surf, this site is suited for intermediate divers.

Pistol River Mouth (South Unit) is a marine reef site on the Southern Oregon Coast characterised by rocky outcrops and a dynamic estuary. This site is suited for advanced divers due to challenging conditions, including cold water temperatures ranging from 10C to 12C, strong currents, rip currents, and surf. Shore entry is required, and parking is available for visitors. Snorkelling is possible but limited, with the best conditions occurring on the ocean side of the rock formations during calm summer mornings. Given the environmental hazards, this location requires careful planning and experience in temperate, high-energy marine environments.

Twin Rocks is a shore-accessible reef site on the southern Oregon coast, defined by a series of large sea stacks. The northern end of the beach offers a sheltered environment suitable for both diving and snorkeling. Divers and snorkellers can expect cold water temperatures between 10C and 12C, with visibility ranging from 5m to 10m. Marine life recorded at the site includes the common Hermissenda, crabs, and various nudibranchs such as the Monterey Dorid and Three-lined Aeolid. Ochre Sea Stars are very common, particularly between May and August. Ling Cod, Scorpionfish, and Harbor Seals are also occasionally encountered. Hazards include cold water, surge, strong currents, and sea urchins.

Cave Rock Arch is a massive sea stack located on the Southern Oregon Coast near Pistol River. The site features a natural tunnel carved through the centre of the rock formation. Divers and snorkellers can explore the base of the stack and the interior of the arch, though access is restricted to extreme low tides when surge conditions are minimal. This is an advanced site due to challenging conditions, including cold water temperatures between 10C and 12C, strong currents, rip currents, and significant surf and surge. Shore entry is required to reach this marine reef environment.

Ariya's Beach is a reef site located between the main Myers Creek pullouts on the Southern Oregon Coast. The topography consists of a melange of ancient rock formations and clusters of sea stacks that create small, protected channels. Divers and snorkellers can explore these vertical rock faces at depths ranging from 1 to 10 metres, with an average depth of 5 metres. Access is via the shore, with the site situated 50 metres from the beach. Conditions are variable, featuring strong currents, surge, and surf. Hazards include rip currents and sharp rock formations. Typical dive times are approximately 45 minutes, with visibility ranging between 3 and 10 metres.

Myers Creek Beach on the Southern Oregon Coast is defined by its dramatic sea stacks and the prominent Cave Rock arch. Snorkellers can explore the base of these geological formations, which provide a unique environment for observing local marine invertebrates. Access is via a shore entry, and the site is best suited for intermediate snorkellers due to the presence of moderate currents and surf. Water temperatures are cool, ranging between 10C and 13C throughout the year. Parking is available for visitors. Given the potential for rip currents and surf, caution is advised when planning a visit to this coastal location.

Hunters Island is a reef and kelp forest site located off the Southern Oregon Coast. Accessible only by boat, this location is suited for advanced divers due to moderate currents and cold water temperatures ranging from 10C to 12C. The site is part of the Oregon Islands National Wildlife Refuge and features a significant kelp forest on the leeward side of the island. Divers should be aware of hazards including boat traffic, cold water, and strong currents. Species recorded around this area include Ochre Sea Stars, Hermissenda, Noble Dorids, various crabs such as Rock and Striped Shore Crabs, snails, sand eels, and Atlantic Pyrosomes.

Hunters Cove is a secluded site located at the base of Cape Sebastian on the Southern Oregon Coast. The topography consists of a rocky perimeter featuring deep tide pools and kelp-covered boulders. This site is suitable for intermediate divers and offers shore access. Conditions are variable, with visibility ranging from 5 to 15 metres and water temperatures between 10C and 12C. Divers should be prepared for moderate currents, surge, and surf. Hazards include cold water and sea urchins. Species recorded around this area include the Ochre Sea Star, Striped Shore Crab, Hermissenda, Atlantic Pyrosomes, Rock Crab, Noble Dorid, and various snails and sand eels.