Jeffreys Ledge is a deep-water reef located 13 kilometres off Cape Ann, offering technical diving across a significant depth range of 33 to 91 metres. The site is characterised by strong currents and consistent visibility of 30 metres. Due to water temperatures ranging from 3 to 10 degrees Celsius, a drysuit with full thermal protection is essential for all divers. Access is strictly by boat, and the site is suited only for advanced divers due to the depth, potential for entanglement, and rapidly changing current conditions. Divers should coordinate closely with charter operators to time slack water windows accurately, as currents can build quickly.

Old Garden Beach in Cape Ann offers a shore-entry dive featuring a mix of reef and kelp forest habitats. Divers typically explore depths between 1 and 20 metres, with an average depth of 10 metres. The site is suitable for beginners and supports night diving, with visibility ranging from 5 to 10 metres. Marine life observed at the site includes rock crabs, common lobsters, wrasses, sea ravens, pipefish, shrimp, righteye flounder, temperate bass, cod, and common sea stars. Occasionally, divers may encounter ocean sunfish, harbour seals, or grey seals. Hazards include potential entanglement in kelp, rip currents, and surf conditions. Facilities include parking, toilets, showers, changing rooms, and a rinse station.

The Crane is a wreck dive located off Cape Ann, United States, situated at depths between 43 and 48 metres. This site is strictly for advanced technical divers due to the significant depth, moderate currents, and cold water temperatures ranging from 4 to 14 degrees Celsius. Visibility is variable and can drop to near zero, necessitating the use of primary and backup torches. Divers must be prepared for entanglement risks within the wreck structure. Access is by boat only. Given the challenging conditions and depth, divers should plan bottom times conservatively and ensure appropriate thermal protection, such as a drysuit, is utilised for the duration of the dive.

Cathedral Rocks in Cape Ann is a reef and wall site characterised by its distinct topographical structures. Suitable for advanced divers and snorkellers, the site offers depths ranging from 6 to 24 metres. Access is via a shore entry, though the exit can be challenging. Divers should be prepared for cold water temperatures between 5C and 15C and visibility that fluctuates from 5 to 15 metres. The site is subject to surge, surf, and mild currents. Hazards include cold water, potential entanglement, and deep sections. Parking is available at the site. Typical dives last approximately 40 minutes.

Pebbles Beach in Cape Ann offers a shore-entry dive site featuring a mix of natural and artificial reef structures. The site is suitable for beginners, with depths ranging from surface level to 11 metres and an average depth of 8 metres. Divers should be prepared for cold water temperatures between 5C and 17C, as well as potential hazards including surf, surge, and low visibility. Visibility typically fluctuates between 5 and 15 metres. Typical dives last approximately 40 minutes, and night diving is permitted. Facilities at the site include parking and toilets. Access requires careful attention to local conditions due to the variable nature of the marine environment.

Halibut Point in Cape Ann is an advanced shore dive featuring a combination of natural reef, artificial structures, and a pronounced drop-off. The site ranges from 8 to 30 metres in depth, with an average of 18 metres. Divers must navigate strong currents and surge, making slack tide essential for a manageable dive. Entry is via the shore, where divers must contend with surf and swell. Due to cold water temperatures ranging from 5 to 15 degrees Celsius and challenging conditions, a drysuit is recommended. Visibility typically fluctuates between 5 and 10 metres. This site is strictly for advanced divers who are comfortable with significant depth changes and variable marine conditions.

Front Beach in Cape Ann is a shore-entry site featuring a mix of reef and seagrass habitats. Suitable for beginners, the site offers shallow depths ranging from 1 to 3 metres, with an average depth of 2 metres. Divers and snorkellers should be aware of potential hazards including boat traffic, surf, rip currents, and cold water temperatures, which fluctuate between 5C and 19C throughout the year. Visibility typically ranges from 5 to 10 metres. Facilities available at the location include parking, toilets, showers, and a cafe. Typical dives last approximately 30 minutes.

Back Beach in Cape Ann is a shore-accessible site featuring a mix of reef and artificial reef structures. The topography is varied, offering a straightforward dive suitable for beginners. Depths range from 1 to 9 metres, with an average of 6 metres. Divers should be aware of surge and boat traffic in the area. Visibility typically fluctuates between 4 and 10 metres. Water temperatures are seasonal, ranging from 5C in late winter to 17C during the summer months. The site is also accessible for night diving, with typical dives lasting around 30 minutes. Facilities including parking and toilets are available for visitors.