Pier's End is an artificial reef site located on the Oregon Coast, featuring a pier that extends 232 metres into the bay. Divers and snorkellers access the water via a concrete stairwell. The site is shallow, with an average depth of 2 metres and a maximum of 5 metres. Conditions include moderate currents, low visibility ranging from 3 to 6 metres, and cold water temperatures between 9C and 14C. Due to these factors and potential boat traffic, the site is best suited for beginners who are comfortable in cold, low-visibility environments. Species recorded around this area include various sea lions, seals, nudibranchs, jellyfish, crabs, and sea stars.

Three Graces consists of massive sandstone pillars located off the Oregon Coast near Manzanita. This shore-entry site offers a reef environment with depths ranging from 2 to 18 metres, averaging 10 metres. Conditions are variable, with visibility between 2 and 11 metres and strong currents present. Due to cold water temperatures between 9 and 11 degrees Celsius, a drysuit or 7mm wetsuit is essential for all divers. The site is highly tide-dependent, and users should remain aware of hazards including surf, boat traffic, and low visibility. Parking is available for site access.

Hobsonville Point, located north of Bay City, features the remains of a historic lumber dock that now serves as an artificial reef. This shore-entry site offers relatively protected conditions, making it suitable for beginners. Divers can explore the wreck and surrounding structure at depths ranging from 3 to 25 metres, with an average depth of 14 metres. Visibility typically fluctuates between 8 and 15 metres, and currents are generally moderate. Hazards include potential entanglement within the wreckage and periods of low visibility. Species recorded around this area include various crabs, sea lions, seals, and jellyfish, though these are not confirmed sightings at this specific location.

The Three Graces is a series of sandstone sea stacks located between Garibaldi and Barview on the Oregon Coast. This site features rocky crevices and kelp-covered boulders, making it a notable location for both diving and snorkelling. Divers can expect depths ranging from 5 to 15 metres, with an average of 10 metres. Marine life frequently observed includes crabs, snails, and Ochre Sea Stars. Less common sightings include Northern Leopard Dorids, Barnacle-eating Dorids, Mottled Stars, and various shrimp. Due to moderate currents and potential hazards such as boat traffic, entanglement, and surf, this site is best suited for intermediate divers. Shore access is available with nearby parking.

Barview Jetty is an artificial reef located at the mouth of the bay on the Oregon Coast. This advanced dive site features a rock wall structure that extends to depths of 14 metres. Divers and snorkellers should be prepared for strong currents, surge, and surf, as well as potential boat traffic in the area. Entry is via the shore. Facilities available at the site include parking, toilets, showers, changing rooms, and a rinse station. Due to the challenging conditions, this site is recommended for advanced divers. Snorkellers may explore the hook at the base of the jetty where the rock wall provides shelter.

Nehalem Bay South Jetty provides a rocky habitat at the mouth of the river, accessible via a shore entry from the northern tip of Rockaway Beach. The site features a mix of artificial reef, natural reef, and kelp forest structures. Divers should be prepared for depths reaching 12 metres and variable visibility between 5 and 15 metres, which is best during incoming tides. Conditions are suited for intermediate divers due to strong currents, surge, and potential rip currents. Hazards include boat traffic, entanglement risks, and surf. Species recorded around this area include harbour seals, Steller sea lions, various nudibranchs, and ochre sea stars.

Nehalem North Jetty (River Side) is an artificial reef site located on the Oregon Coast. The rocky substrate of the jetty provides a habitat for various marine life. Divers should be aware of strong currents, surge, and boat traffic, with visibility often ranging between 2 and 8 metres. Depths at this site typically vary from 2 to 18 metres, with an average of 10 metres. Due to the challenging conditions, this site is suited for advanced divers. Snorkeling is possible but rated 2/5, and is only recommended during slack tide in calm conditions to avoid the hazards of the jetty bar.

Tunnel Beach on the Oregon Coast is accessed via a historic 90-foot man-made tunnel at Maxwell Point. The site features dramatic sea stacks and shallow rocky areas suitable for snorkeling, particularly within tide pools exposed at low tide. Conditions are challenging, with moderate currents, surf, and rip currents present. The water is cold year-round, ranging from 10C to 15C, requiring thermal protection for any in-water activity. Due to the presence of an overhead environment and strong currents, this site is best suited for experienced individuals, though it is rated for beginners under calm conditions. Parking and toilets are available at the location.