Lighthouse Rock, situated at the base of the Coquille River Lighthouse on the Southern Oregon Coast, offers a complex environment of rocky outcroppings and kelp forests. Divers should anticipate depths ranging from 4 to 30 metres. This shore entry site is suited for advanced divers due to strong currents, significant surge, and variable visibility between 5 and 15 metres. Navigating the area requires caution regarding boat traffic and surf conditions. It is recommended to plan dives around slack tide to mitigate the influence of the river mouth. Facilities at the site include parking and toilets.

Coquille Point on the Southern Oregon Coast is a marine site featuring the prominent Elephant Rock and Table Rock formations. This area functions as a designated wildlife refuge, providing opportunities to observe resting harbor seals and various bird colonies from the water. Snorkelling is accessed via a long stairway from the shore. The site consists of reef and artificial reef structures with depths ranging from 1 to 5 metres, averaging 3 metres. Conditions are variable with mild currents and visibility typically between 5 and 15 metres. Water temperatures remain cool throughout the year, ranging from 10 to 13 degrees Celsius. Due to the cold water and potential for surf, this site is suited for intermediate snorkellers.

Howling Dog Rock on the Southern Oregon Coast features unique rock formations and shallow channels, providing a habitat for diverse marine life. This shore-entry site is suitable for beginners, with depths ranging from 1 to 8 metres and an average of 4 metres. Snorkellers can observe common harbor seals, very common ochre sea stars, and various snails. Other species recorded here include Monterey dorids, Nanaimo dorids, and striped shore crabs. Conditions vary, with visibility between 5 and 15 metres and mild currents. Hazards include cold water, surf, surge, rip currents, and sea urchins. The site is best suited for those prepared for water temperatures between 10 and 13 degrees Celsius.

Face Rock on the Southern Oregon Coast is a reef site characterised by numerous sea stacks and vertical stone walls. Snorkellers can explore protected pockets of water formed around the smaller Kittens rocks at low tide. The site is suitable for beginners, with depths ranging from 1 to 5 metres and an average depth of 2 metres. Access is via the shore, with parking available nearby. Conditions vary, with visibility ranging from 5 to 40 metres and moderate currents. Hazards include surf, rip currents, and strong currents. Due to cool water temperatures between 10 and 13 degrees Celsius, a wetsuit is recommended for all in-water activities.

South Cove on the Southern Oregon Coast features rocky reef structures and kelp forests accessible via a steep cliffside trail. Located at the end of Cape Arago Highway, this site is suitable for intermediate snorkellers. Water temperatures range from 10C to 13C throughout the year. Divers and snorkellers should be aware of local hazards, including surf, surge, rip currents, sea urchins, and potential entanglement in kelp. Parking and toilets are available at the site. Due to the challenging entry and variable conditions, this location is best suited for those with previous experience in temperate marine environments.

Simpson Beach is a rocky pocket beach located on the Southern Oregon Coast below the Shore Acres gardens. This site features distinctive sea stacks and a reef environment. Divers and snorkellers should expect cool water temperatures ranging from 10C to 13C throughout the year. Visibility at this location typically fluctuates between 5 and 12 metres. Access is via a shore entry that requires a short hike over rocky terrain. Due to moderate currents and potential surf, this site is best suited for intermediate divers. Hazards include cold water, entanglement risks, and low visibility conditions.

Sunset Bay State Park on the Southern Oregon Coast features a crescent-shaped bay protected by sandstone cliffs and reefs. These natural formations block major ocean swells, creating a sheltered environment for snorkelling. The site offers depths ranging from 1 to 14 metres, with an average of 5 metres. Access is via a shore entry. Conditions include mild currents and visibility between 3 and 10 metres. Water temperatures remain cool, typically between 10 and 13 degrees Celsius. Facilities at the park include parking, toilets, showers, and changing rooms. Divers and snorkellers should be aware of potential hazards including boat traffic, jellyfish, rip currents, sea urchins, strong currents, and surf.

Gregory Point is a marine research area on the Southern Oregon Coast defined by extensive subtidal kelp forests and rocky reefs. This site is suited for advanced divers due to moderate currents, surge, and variable visibility ranging from 2 to 12 metres. Water temperatures remain cool, fluctuating between 10C and 13C throughout the year. Access is possible via boat or a challenging shore entry involving a scramble from Sunset Bay during very low tides. Divers should be aware of hazards including surf, cold water, and boat traffic. Facilities at the site include parking, toilets, showers, and changing rooms.