Mukilteo T Dock is an artificial reef site in Puget Sound offering shore access for intermediate divers. The site features depths ranging from 3 to 18 metres, with an average depth of 15 metres. Divers can encounter a variety of marine life, including common crabs, which are most frequently seen between May and August. Uncommon sightings include harbour seals, East Pacific red octopuses, ling cod, and hermissenda. Rare encounters may include giant Pacific octopuses, wolf-eels, California sea lions, and various jellyfish species. Conditions involve cool water year-round, necessitating dry suits, with visibility typically between 5 and 15 metres. Hazards include boat traffic, cold water, and low visibility. Night diving is permitted.

Meadowdale Wharf is a shallow artificial reef site in Puget Sound, offering depths between 2 and 6 metres. This shore-entry dive is suitable for beginners, though divers must navigate surf and shore break during entry. Visibility typically ranges from 5 to 10 metres, with moderate currents present. The artificial structures attract diverse marine life, including common orange sea pens, rock crabs, and various snails. Divers may also encounter harbor seals, egg-yolk jellyfish, Monterey dorids, Pacific lion's mane jellyfish, sunflower stars, ochre sea stars, shrimp, and mottled stars. Due to the presence of fishing lines and ropes, maintain awareness of entanglement risks and watch for boat traffic while at the surface.

100 Foot Rock features a combination of natural reef and artificial reef structures. Divers can explore depths ranging from 15 to 27 metres, with an average depth of 15 metres. The site is accessible via both shore and boat entries, with on-site parking available for shore divers. Conditions include mild currents and visibility typically between 5 and 10 metres. Due to the presence of sharp coral and geological features, appropriate exposure protection is required to prevent injury. Species recorded around this area include California sea lions, harbour seals, Steller sea lions, various nudibranchs, jellies, and sea stars.

Fort Flagler Pier is a shore-accessible site in Puget Sound featuring an artificial reef structure. Divers typically explore depths between 12 and 15 metres, with an average depth of 14 metres. Conditions include moderate currents and visibility ranging from 10 to 30 metres. Due to water temperatures between 8 and 10 degrees Celsius, a drysuit or thick wetsuit is required. Divers should monitor their distance from structure debris to avoid entanglement and plan entries around slack tide to manage current strength. On-site facilities include parking, toilets, showers, and a cafe, making it a convenient location for beginner divers.

Keystone Jetty in Puget Sound is an artificial reef formed by a large boulder structure. Divers can explore depths ranging from 1 to 18 metres, with an average depth of 10 metres. The site is suitable for intermediate divers due to strong currents, cold water temperatures between 8 and 10C, and potential for low visibility. Entry is via the shore, and the site supports night diving. Facilities available at the location include parking, toilets, showers, a rinse station, and changing rooms. Divers should be aware of hazards including boat traffic, surf, and overhead environments. The site is also highly rated for snorkelling.

Edmonds Underwater Park, also known as the Bruce Higgins Underwater Trails, is a protected marine preserve located in Puget Sound. This site features an artificial reef and wreck structures accessible via a shallow sandy beach entry. Divers must complete a 100-metre surface swim to reach the descent point. The site reaches depths of up to 15 metres, with an average depth of 10 metres. Conditions vary, with visibility ranging from 1 to 12 metres and the potential for strong currents. Hazards include boat traffic, cold water, entanglement risks, and surf. Facilities available at the site include parking, toilets, showers, changing rooms, and a rinse station.

Edmonds Breakwater is a versatile shore-entry site in Puget Sound featuring an artificial reef and a wreck. Suitable for beginners, the site offers depths between 2 and 12 metres with an average of 10 metres. Divers and snorkellers encounter marine life including harbour seals, California sea lions, and various nudibranchs such as Hermissenda and Monterey dorids. Mottled stars and rock crabs are very common on the structures. Visibility varies significantly from 1 to 12 metres, and conditions can include mild currents and surf. Due to regular vessel movement, divers must remain vigilant regarding boat traffic. The site provides facilities including toilets, showers, and rinse stations.

The Comet is a wreck dive located 50 metres from shore in Puget Sound. Resting at depths between 9 and 15 metres, this site is suitable for beginner divers. The environment features mild currents and visibility ranging from 5 to 10 metres. Water temperatures remain cold throughout the year, between 8 and 10 degrees Celsius, requiring thick exposure suits or drysuits. Divers should exercise caution regarding boat traffic at the surface and entanglement risks on the structure. Species recorded around this area include various crabs, sea stars, jellyfish, and marine mammals such as harbor seals and Steller sea lions.