Bob Creek Wayside is a marine site featuring large basalt slabs and offshore mushroom rocks that support kelp forests. The area includes sea caves accessible during low tide. Snorkelling here is suited to intermediate participants due to the presence of surf and rip currents. The site is accessed from the shore, with depths ranging from 1 to 5 metres and an average of 2 metres. Visibility varies between 3 and 10 metres. Water temperatures remain cool throughout the year, ranging from 10C to 13C. Hazards include cold water, surf, rip currents, and sea urchins. Parking is available at the site.

Cape Cove is a protected sandy reef site located south of Devil's Churn. It provides a more gradual shore entry compared to the surrounding cliffs, offering relatively calmer water conditions. The site is suitable for intermediate divers, with depths ranging from 1 to 10 metres and an average of 5 metres. Visibility typically fluctuates between 5 and 15 metres. Divers should be prepared for cold water temperatures between 10 and 13C, with potential for upwelling, hypoxia, and acidification. Hazards include surf, surge, rip currents, strong currents, entanglement, and low visibility. Facilities at the site include parking and toilets.

Yachats State Recreation Area is a designated Marine Garden featuring a rocky intertidal zone that transitions into deeper, kelp-fringed channels. This site is suited for intermediate snorkellers who can navigate moderate currents and surf conditions. Entry is from the shore, providing access to craggy crevices and pools. Water temperatures are cool, ranging from 10C to 13C throughout the year. Due to the nature of the environment, visitors should be aware of potential hazards including rip currents, jellyfish, sea urchins, and sharp rock formations. The site is best experienced on exceptionally calm days when visibility and safety conditions are optimal for exploring the protected habitat.

Devil's Elbow is a coastal site located in a cove at the mouth of Cape Creek. This location features rocky reef edges and sea caves suitable for shallow-water exploration. Snorkelers can observe intertidal life, including Ochre Sea Stars and various snails, along the rocky margins. Marine mammals are frequently encountered, with California Sea Lions and Steller Sea Lions common in the area, alongside occasional Harbor Seals and Northern Elephant Seals. Other observed species include skates, crabs, and Opalescent Inshore Squid. The site is accessed from the shore and includes parking facilities. Due to surf conditions, this site is best suited for beginners during periods of very calm swells.

Cape Cove is a sheltered, crescent-shaped reef located beneath the Heceta Head Lighthouse in the United States. The site features extensive rocky intertidal zones and tide pools suitable for shallow snorkeling during calm summer swells. Divers and snorkellers may encounter California sea lions, Steller sea lions, harbour seals, and northern elephant seals. Other recorded species include skates, opalescent inshore squid, rock crabs, striped shore crabs, and ochre sea stars. Conditions vary, with water temperatures ranging from 10C to 13C. Access is via the shore, and the site is rated for intermediate skill levels due to hazards including surf, surge, strong currents, rip currents, entanglement risks, and sea urchins.

Yaquina John Point, located at the southern mouth of Alsea Bay near Waldport, offers a distinct underwater environment featuring a rocky reef and a dramatic rock wall. This site is suitable for advanced divers and snorkellers, providing a rugged shoreline entry point. Water temperatures at this location range between 10C and 14C throughout the year. Due to the nature of the terrain and the coastal environment, visitors should exercise caution when planning their entry and exit. The site provides a unique opportunity to explore the underwater structure of the bay mouth.

Alsea Bay Seawall is a shore-entry snorkel site located near the Alsea Bay Bridge in Waldport. The site features a mix of sandy and rocky substrate along the seawall, providing a sheltered environment within the bay. Depths are shallow, ranging from 1 to 5 metres with an average of 3 metres. Conditions are variable, with visibility typically between 1 and 5 metres and moderate currents. Snorkellers should be aware of hazards including boat traffic, surf, and strong currents. Facilities at the site include parking and toilets. The site is suitable for beginners, though visibility can be limited by river runoff.

North Jetty in Florence, Oregon, serves as a dedicated dive park featuring a unique entry point via a converted fish ladder with concrete stairs. The site offers a diverse underwater environment including rocky reef structures, an artificial reef, and muck areas. Divers can expect depths ranging from 1 to 60 metres, with an average of 35 metres. Conditions are variable, with visibility fluctuating between 2 and 25 metres and moderate currents present. Hazards include boat traffic, surf, surge, and rip currents. Due to the challenging conditions and depth, this site is suited for intermediate divers. Snorkelling is possible but is strictly tide-dependent, requiring high slack tide for safety.