St. Peters Breakwater is an artificial reef site formed by the remains of an old wooden and stone breakwater structure located near a historic lighthouse. This site is suitable for beginners and offers excellent snorkelling opportunities in shallow water. Depths range from 1 to 8 metres, with an average depth of 4 metres. Entry is via the shore, and currents are typically mild. Water temperatures vary significantly throughout the year, ranging from -1C to 20C, and thermal protection is essential due to the cold conditions. Potential hazards at this site include entanglement, jellyfish, and rip currents.

Red Head Harbour on the Nova Scotia Eastern Shore is a boat-access site located 1000 metres from the shore. Snorkelling here is suited for intermediate participants, with depths ranging from 5 to 18 metres and an average depth of 10 metres. Conditions are variable, with visibility typically between 3 and 10 metres and moderate currents present. Water temperatures fluctuate significantly throughout the year, ranging from -1°C in winter to 20°C in August. Due to the nature of the environment, potential hazards include jellyfish, sea urchins, sharks, and strong currents. A boat is required to reach this site, and local boat charters are available for access.

Hillsborough River at Mount Stewart Bridge offers an estuarine environment for snorkelers. The site is primarily suited for those interested in observing river ecology, including the migration of eels and smelt within the river grass. Conditions are variable, with visibility typically ranging between 1 and 3 metres. Entry is via the shore, and snorkelers should be aware of mild currents, rip currents, and surf. Given the challenging conditions and limited visibility, this site is rated for intermediate skill levels. The habitat supports various temperate aquatic life, though specific species sightings are not confirmed.

Blooming Point Channel is a dynamic tidal channel formed by a storm breach in the dunes. This site offers a unique river-like marine environment characterised by strong currents, making it suitable only for advanced snorkellers. The channel reaches depths of 1 to 6 metres, with an average depth of 3 metres. Due to the strong currents and surf, entry is possible from both shore and boat. Water temperatures are cold, ranging from -1C in winter to 20C in summer, necessitating the use of a drysuit or wetsuit. Parking is available at the site. Hazards include entanglement, strong currents, and surf.

Greenwich Beach on the Nova Scotia Eastern Shore is a shallow, shore-entry site featuring extensive sandbars and tide pools accessible at low tide. Snorkellers can explore depths ranging from 1 to 5 metres, with an average depth of 2 metres. The site is suitable for beginners, though conditions vary with moderate currents and surf. Water temperatures are cold throughout the year, peaking at 20C in August. Facilities at the site include parking, toilets, showers, and changing rooms. Hazards include cold water, rip currents, surf, and the presence of jellyfish.

Blooming Point on the Nova Scotia Eastern Shore is an artificial reef site suitable for intermediate snorkelers. The site features a sandy bottom and is located near the mouth of Tracadie Bay, where tidal exchange influences the local environment. Depths range from 2 to 6 metres with an average of 4 metres. Snorkelers should be prepared for moderate currents and variable visibility between 3 and 10 metres. Water temperatures are cold, ranging from -1C to 20C throughout the year, necessitating appropriate thermal protection. Hazards include cold water, rip currents, surf, jellyfish, and sharks. Access is via the shore, with parking facilities available nearby.

Blackbush Island Bay Side offers shallow, sheltered waters along the lee side of the island's sand dunes. The site features extensive eelgrass meadows and reef topography, providing a calm environment suitable for beginner snorkellers. Access is via the shore, though visitors should be aware of potential surf conditions. Water temperatures fluctuate significantly throughout the year, ranging from -1C in late winter to 20C in August. Facilities including toilets and a cafe are available nearby in the area. This site is best suited for those seeking a relaxed snorkelling experience in a coastal environment.

Blooming Point (East Boundary) offers a wild coastal environment featuring underwater dunes and peat beds. This shore-entry site is suited for advanced snorkelers due to the presence of surf, moderate currents, and extremely cold water temperatures that range from -1C to 20C. Depths at this location vary between 2m and 10m, with an average of 6m. Visibility typically fluctuates between 5m and 15m. The habitat supports a variety of temperate marine life, including various crustaceans, echinoderms, and fish species typical of the Nova Scotia Eastern Shore region. Parking is available for visitors at this site.