Saturday Night Ledge is a complex marine site located 4828 metres off the coast of Cape Ann. This advanced dive site features a combination of reef, wall, and canyon topography. Divers can expect depths ranging from 18 to 44 metres, with an average depth of 30 metres. Access is strictly by boat. Conditions are challenging, characterised by strong currents and visibility typically between 5 and 15 metres. Water temperatures are cold, fluctuating between 4C and 13C throughout the year. Due to the depth, current, and potential for low visibility, this site is suitable only for experienced divers. Hazards include boat traffic, entanglement risks, and cold water exposure.

Picketts Point is a reef structure located 1500 metres off Cape Ann. The site features depths ranging from 10 to 18 metres and requires boat access. Divers should be prepared for variable conditions, with visibility typically between 5 and 10 metres and water temperatures fluctuating from 5 to 16 degrees Celsius. While currents are generally absent, significant surge and swell can occur. Hazards include boat traffic, entanglement risks, and sea urchins. Divers must use a surface marker buoy during ascent to alert boat traffic. Species recorded around this area include ocean sunfish, harbor seals, gray seals, common lobster, wrasses, sea ravens, horseshoe crabs, pufferfish, rock crabs, shrimp, common sea stars, temperate bass, and righteye flounder.

The Chester Poling is a notable shipwreck located 7400 metres off Cape Ann. Resting on a sandy bottom at depths between 21 and 58 metres, this site is strictly for advanced divers due to its depth, cold water temperatures, and potential for strong currents. The wreck features plumose anemones, lemon nudibranchs, and finger sponges. Species recorded around this area include wrasses, common lobster, various crab species, common sea stars, temperate bass, and righteye flounder. Divers must access the site by boat. Hazards include boat traffic, entanglement risks, and significant temperature drops below the surface layer. Typical dive times are approximately 45 minutes.

Magnolia Rocks in Cape Ann is a reef and kelp forest site suited for advanced divers. The topography features small crevasses that provide habitat for common lobsters. Divers can access the site via shore or boat, with depths ranging from 10 to 30 metres and an average of 20 metres. Conditions include mild currents and visibility between 5 and 15 metres. Be aware of hazards such as cold water, surge, surf, and potential entanglement in the kelp. Parking is available at the site. Species recorded around this area include harbor seals, gray seals, wrasses, common lobsters, horseshoe crabs, pufferfish, sea ravens, pipefish, shrimp, common sea stars, rock crabs, temperate bass, and various crabs.

Normans Woe is a rocky reef and artificial reef site located off the coast of Cape Ann. Divers can explore depths ranging from 2 to 15 metres, with an average depth of 15 metres. The site is accessed via a shore entry, which requires navigating surf and rocky terrain. Conditions include moderate to strong currents, surge, and visibility between 5 and 10 metres. Due to the presence of overhead environments, entanglement risks, and boat traffic, this site is suited for advanced divers. Water temperatures are cold, ranging from 5C to 16C, necessitating appropriate thermal protection. Divers should time their entry around slack water to manage tidal flow.

Great Egg Rock is a reef and drop-off site located off Cape Ann. The site features depths ranging from 6 to 11 metres, with an average depth of 9 metres, making it suitable for beginner divers. Visibility typically ranges between 5 and 10 metres. Access is by boat only, and divers should remain vigilant for active boat traffic when surfacing. Water temperatures are cold, fluctuating between 5 and 17 degrees Celsius throughout the year. Divers must wear appropriate thermal protection, such as a 7mm wetsuit, hood, and gloves, to mitigate the risks associated with cold water conditions.

Paddock Rock is a pinnacle and wall site located 1207 metres off the coast of Cape Ann. This advanced dive site features significant depths ranging from 15 to 90 metres, with an average depth of 60 metres. Divers must access the site by boat. Conditions are variable, with visibility typically between 15 and 50 metres and moderate currents. Due to the depth, strong currents, and potential surge, this site is strictly for advanced divers. Water temperatures are cold, ranging from 4C to 9C throughout the year. Typical dive times are approximately 60 minutes.

Brace Cove is a reef site located 100 metres offshore in Cape Ann, accessible only by boat. The site features depths ranging from 5 to 12 metres, with an average depth of 8 metres. Visibility typically spans 5 to 10 metres. Conditions include mild currents, though divers must remain vigilant regarding surge, swell, and boat traffic during ascents. The water is cold, ranging from 5C to 16C, necessitating thick thermal protection such as a drysuit or thick wetsuit with hood, gloves, and boots. Due to potential entanglement risks and surf at the entry point, this site is best suited for divers prepared for cold-water environments.