Ona Beach is a shore-entry site where Beaver Creek meets the Pacific Ocean. The topography features shallow sandy areas interspersed with small rocky outcroppings, creating a transition zone between freshwater and saltwater ecosystems. Conditions are variable, with visibility typically ranging from 1 to 4 metres and mild currents. The water temperature remains cool throughout the year, fluctuating between 10C and 13C. Due to the presence of surf, rip currents, and potential entanglement hazards, this site is best suited for beginners who are comfortable in temperate marine environments. Facilities at the location include parking, toilets, and showers.

Lost Creek Beach is a quiet stretch of coastline near South Beach, United States, primarily utilised for beachcombing and rockhounding. Snorkelling is possible around scattered rocks during very calm minus tides. The site features a shore entry and is suitable for beginners, though conditions are generally mild. Water temperatures remain cool throughout the year, ranging from 10C to 13C. Species recorded around this area include California Sea Lions, Harbor Seals, various nudibranchs such as Hermissenda and Monterey Dorid, as well as Rock Crabs and Ochre Sea Stars. Facilities at the site include parking and toilets.

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.

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.

The Fingers is a reef and artificial reef site located in the United States near Nye Beach. The site is defined by five rocky fingers extending into the channel, with the third finger being the most popular due to its length and relative protection from strong currents. Snorkelling here is suitable for intermediate participants, with depths ranging from 3 to 6 metres. Access is via the shore. Conditions are variable, with potential hazards including boat traffic, entanglement, low visibility, strong currents, surf, and surge. Water temperatures are cool, ranging from 10C to 15C throughout the year. Parking and a dive shop are available at the location.

The Oregon Coast Aquarium offers a controlled artificial reef dive experience within a marine environment. Divers can expect a consistent depth of 4 metres throughout the 30-minute dive. The site is accessible via shore entry and is suitable for beginners. Water temperatures remain cold, ranging between 10°C and 13°C year-round. Facilities available on-site include parking, toilets, showers, changing rooms, a rinse station, air fills, and guided tours. Divers should be aware of the overhead environment and the presence of stonefish within the habitat. Visibility is generally recorded at 10 metres.

Wacoma Dock, located at the end of SE Ferry Slip Road in Newport, offers a sheltered shore entry point for divers and snorkellers. The site features a gently sloping mud and shell bottom, reaching depths between 5 and 8 metres with an average of 6 metres. Conditions are generally suitable for beginners, though divers should remain aware of boat traffic and the potential for strong currents. Typical dives last approximately 30 minutes. Water temperatures remain consistently cool, ranging from 10 to 12 degrees Celsius throughout the year. Parking is available for visitors at this location.

Idaho Flat is a shallow estuarine site near South Beach, United States, characterised by seagrass and muck substrates. This shore-entry location is suitable for beginners, with depths ranging between 1 and 3 metres. Divers should be prepared for moderate currents and variable visibility, which typically fluctuates between 1 and 5 metres. Due to the nature of the environment, potential hazards include entanglement and low visibility. Parking is available for visitors. The site is best suited for those interested in shallow-water exploration within an estuarine setting.