Woahink Lake is a freshwater dive site in the United States featuring an artificial reef in shallow water. Depths typically range from 1 to 2 metres, making the site suitable for beginner divers practising buoyancy or navigation skills. Visibility is variable, ranging from 0 to 6 metres. Water temperatures remain between 10 and 13 degrees Celsius throughout the year, requiring appropriate thermal protection. Divers should be aware of boat traffic and potential entanglement hazards near the reef structure. Shore access is supported by comprehensive facilities, including parking, toilets, showers, changing rooms, and a rinse station. Divers are advised to use a surface marker buoy to maintain visibility to boaters.

Siltcoos Lake at the Westlake entry offers a freshwater diving experience characterised by thick lily pad forests and submerged logs. The site features an artificial reef structure, though visibility is frequently limited by dense aquatic vegetation. Divers should be prepared for cold water conditions, with temperatures averaging 11C year-round and thermoclines present. The site is accessed via a shore entry near the Westlake boat ramp. Due to the vegetation density and environmental conditions, this location is suited for intermediate divers. Snorkelling is not recommended here. Facilities available at the site include parking, toilets, showers, changing rooms, a rinse station, air fills, equipment rental, a cafe, first aid, a dive shop, and boat charter services.

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.

Tahkenitch Landing is a coastal dune lake featuring complex shorelines and a sandy bottom. Snorkelling is primarily conducted near the landing area, where depths range from 2 to 7 metres with an average of 3 metres. The site is suitable for beginners and offers shore access. Water temperatures fluctuate between 10C and 14C throughout the year. Divers and snorkellers should be aware of potential hazards including entanglement and low visibility. Toilets are available at the site for visitor use.

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.

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.

Windy Cove is a shore entry site located at Windy Cove County Park on the Southern Oregon Coast. The site features a combination of natural reef and artificial reef structures, including a vintage timber dock and nearby jetty rocks. Divers and snorkellers can explore these features at depths ranging from 0 to 6 metres, with an average depth of 5 metres. Conditions are variable, with visibility reaching up to 15 metres and moderate currents. Hazards include surf, surge, and potential for low visibility. The site is suitable for beginners and offers facilities including parking, toilets, showers, changing rooms, a rinse station, a cafe, a dive shop, and boat charter services.

Crab Dock is a reef and artificial reef site located in the Umpqua River estuary on the Southern Oregon Coast. Divers and snorkellers can explore the pilings and the base of the rocky jetty, situated approximately 75 metres from shore. The site offers both shore and boat access, with entry typically from a small sandy beach west of the public crabbing pier. Depths range from 3 to 18 metres, with an average of 8 metres. Conditions are variable, with visibility reaching up to 15 metres and mild currents. Hazards include boat traffic, entanglement risks, sea urchins, and surf. The site is suitable for intermediate-level divers.