Murray Harbour is an offshore reef site located approximately 16 kilometres from the Nova Scotia Eastern Shore. This boat-access location features deep waters with depths ranging from 80 to 100 metres, averaging 90 metres. Divers and snorkellers encounter mild currents and visibility typically between 10 and 25 metres. Water temperatures are cold, fluctuating between -1C and 12C throughout the year. Due to the significant depth and environmental conditions, this site is suited for advanced divers. Hazards at this location include jellyfish and sharks. Local facilities provide air fills, boat charters, guided tours, and gear storage to support the 120-minute typical dive duration.

Seal Cove Beach on the Nova Scotia Eastern Shore offers a shallow reef environment suitable for beginners. Located below the Seal Cove Campground, the site features a mix of sandy and rocky bottoms with depths ranging from 1 to 8 metres, averaging 4 metres. Snorkellers can observe juvenile fish in the shallows and search for sea glass. Entry is from the shore, though visitors should be aware of potential rip currents and surf. Water temperatures vary significantly throughout the year, reaching up to 20°C in August. Facilities at the site include parking, toilets, showers, changing rooms, and a rinse station.

Kings Castle Riverfront on the Murray River provides a calm, brackish environment suitable for beginner snorkellers. The site features a shore entry and shallow depths ranging from 1 to 5 metres, with an average depth of 3 metres. Conditions are generally mild, though water temperatures fluctuate significantly throughout the year, reaching a maximum of 20C in August and dropping to -1C in winter months. The habitat supports various temperate estuarine fish and invertebrates typical of the Nova Scotia Eastern Shore region. On-site facilities include parking, toilets, showers, and changing rooms to support visitors.

Poverty Beach on the Nova Scotia Eastern Shore offers a shallow snorkeling experience ranging from 1 to 5 metres. The site features the submerged remains of an old pier, with cement and wooden pillars creating an artificial reef structure. This habitat supports various temperate marine life, including schools of small fish and invertebrates. Entry is via the shore, and the site is suitable for beginners, though conditions vary with visibility typically between 3 and 10 metres. Divers and snorkellers should be aware of cold water temperatures and potential entanglement hazards near the pier remains. Parking is available for visitors.

Guernsey Cove on the Nova Scotia Eastern Shore features a rugged landscape defined by red cliffs and a rocky shoreline. This site offers a mix of reef and seagrass habitats accessible via a shore entry. Conditions are generally suitable for beginners, though divers should be aware of potential hazards including surf, rip currents, and jellyfish. Water temperatures fluctuate significantly throughout the year, ranging from -1C in winter to 20C in August. The site is rated 3/5 for snorkelling, providing a varied environment for those exploring the coastal waters of Canada.

Kings Castle Provincial Park offers a riverfront snorkeling experience along the Murray River. This site features brackish water with a substrate of seagrass and red silt, providing a habitat for various temperate freshwater and estuarine organisms. Water temperatures fluctuate significantly throughout the year, ranging from -1C in winter to 20C in August. Access is via a shore entry, making it suitable for beginners. Facilities available at the park include parking, toilets, and a cafe. Divers and snorkellers should be aware of potential strong currents in the river environment.

Panmure Ledge on the Nova Scotia Eastern Shore offers shallow reef diving directly below the historic lighthouse. The site features rocky shoals that contrast with the surrounding sandy beach, providing a habitat for various temperate marine life. Divers and snorkellers can expect depths between 3 and 6 metres, with an average of 4 metres. Conditions are cold, with water temperatures ranging from -1C to 20C, making dry suits necessary for most of the year. Entry is from the shore, though divers should be aware of moderate currents and potential surf. Facilities at the site include parking, toilets, showers, changing rooms, and a cafe.

Boughton Island Southern Ledges features rugged rocky ledges extending from the southern tip of this uninhabited island. Located 1500 metres from shore, the site is accessible by boat or via a long hike at low tide. Depths begin at 2 metres and vary across the reef structure. Conditions are variable, with potential hazards including cold water, rip currents, surf, boat traffic, entanglement risks, and sea urchins. Due to the challenging environment and potential for strong currents, this site is best suited for intermediate snorkelers. Water temperatures fluctuate significantly throughout the year, ranging from -1C in late winter to 20C in August.