Silver Point Reefs is a shore-entry site located south of the main beach in Cannon Beach. The topography consists of submerged rocky nubs and the prominent Jockey Cap Rock. Divers should expect moderate currents and surge, with visibility typically ranging between 3 and 5 metres. Water temperatures fluctuate between 9C and 15C throughout the year. Due to the presence of rip currents, deep water, and strong surge, this site is suitable only for advanced divers. Snorkelling is generally not recommended here, with a rating of 2 out of 5.

Hug Point is a dramatic coastal site featuring sandstone caves and basalt reefs that become accessible at low tide. Snorkellers can explore the submerged portions of rocky fingers extending into the surf. The site is rated for intermediate snorkellers due to moderate currents and surf conditions. Shore entry is required, and visitors should be aware of hazards including rip currents, strong currents, and entanglement risks. Facilities at the site include parking, toilets, showers, changing rooms, and a rinse station. The water temperature varies between 9C and 15C throughout the year.

Castle Rock is a massive basalt sea stack situated approximately 805 metres offshore from the Oregon Coast. This site features deep vertical walls and is suitable for advanced divers and snorkelers. Access is available via boat or kayak. Conditions at the site vary, with visibility ranging from 5 to 40 metres and water temperatures between 9C and 15C. Divers should be prepared for moderate currents, surge, and surf. Due to the exposed nature of the location, hazards include boat traffic, cold water, and low visibility. The site is rated 4/5 for snorkelling, though its advanced nature requires careful planning and experience.

Haystack Rock is a prominent basalt formation featuring submerged ledges and tide pools. Snorkelling is best conducted during high slack tide along the western face of the rock. The site reaches depths of up to 45 metres, though conditions are variable. Water temperatures range from 9C to 14C, and the environment is characterised by strong currents, surf, and rip currents. Due to the cold water and challenging conditions, this site is suited for intermediate snorkellers. Shore access is available, with parking and toilets provided near the site. Guided tours are also available for those navigating the area.

Arch Rock is a marine reef site located at the southern end of Arch Cape beach, defined by a prominent sea stack featuring a natural arch. The topography consists of the base of the rock and surrounding boulder fields, which create crevices. This site is suitable for advanced snorkellers due to challenging conditions, including strong currents, surf, and low visibility. Water temperatures are consistently cold, ranging from 9 to 15C, necessitating the use of a wetsuit or drysuit. Shore access is available, and parking is provided for visitors. Due to the environmental hazards, this site requires careful planning and experience in cold water conditions.

Bird Rocks, located at the northernmost point of Cannon Beach, is a reef site suited for advanced divers due to challenging conditions. The site is accessed from the shore and is subject to strong currents, surge, and surf. Visibility typically ranges from 5 to 15 metres, and water temperatures fluctuate between 9C and 15C throughout the year. Given the exposed nature of the point, snorkeling is only feasible during extreme low tides or exceptionally calm sea states. Divers should be prepared for cold water and potential rip currents. Parking is available near the site.

Falcon Cove is a marine reef site located off the Oregon Coast near Arch Cape. The underwater topography consists of polished cobblestones and large basalt slabs. Divers can expect shallow depths ranging from 1 to 5 metres, with an average of 2 metres. Conditions are variable, featuring moderate currents, surge, and visibility between 3 and 10 metres. Marine life observed at the site includes Ochre Sea Stars and snails, alongside less frequent sightings of Monterey Dorids, Northern Leopard Dorids, Sea Nettles, Common Moon Jellyfish, and various crab species. Due to cold water, surf, and rip currents, this site is suited for intermediate divers. Shore entry is required.

Submarine Rock, located within Ecola State Park, is a shore-entry site featuring a large offshore monolith. This structure creates a semi-sheltered lee side, providing a base for a rocky reef and dense kelp forest. Divers should be prepared for water temperatures ranging from 9C to 15C throughout the year. The site is suited for intermediate divers due to potential hazards including surf, rip currents, and entanglement risks. Facilities at the location include parking, toilets, showers, changing rooms, and a rinse station. Guided tours and a dive shop are available to support visitors exploring this cold-water environment.