Located within Kouchibouguac National Park, Île de Sable is a shifting sandbar accessible by boat or kayak. The site features a unique underwater landscape shaped by the mixing of river and salt water. Divers and snorkellers can expect variable conditions with water temperatures ranging from -1C in winter to 19C in August. The habitat supports a variety of temperate marine life and invertebrates typical of the Gulf Coast region. Due to the shifting nature of the sandbar and the environmental conditions, this site is best suited for intermediate divers. Entry is possible from both shore and boat, and the area offers moderate opportunities for snorkelling.

Neguac Dune is a shore-access snorkelling site located within Kouchibouguac National Park. Situated at the northern access point to the barrier islands, the site features shallow water behind the dunes, requiring a walk or paddle to reach deeper channels located approximately 250 metres from the shore. Conditions are variable with moderate currents and water temperatures ranging from -1C in winter to 19C in August. This site is suited for intermediate snorkellers. Parking facilities are available for visitors. Hazards at this location include the presence of jellyfish.

Neguac Wharf is an artificial reef site located within Kouchibouguac National Park. The site consists of submerged wharf structures that attract small fish and crustaceans. Divers should note that conditions are challenging, with strong currents, low visibility, and significant boat traffic. Water temperatures are cold, ranging from -2C to 19C throughout the year. Access is available via both shore and boat entry. Due to the environmental conditions and depth requirements, this site is best explored during high tide. Parking facilities are available near the Rue de l'Église location. This site is suitable for beginners, though caution regarding hazards is essential.

Located within Kouchibouguac National Park, Île-aux-Foins Park features a protected cove with a sandy bottom, seagrass beds, and small rocky patches. This site is known for having some of the warmest saltwater north of Virginia, with temperatures ranging from -1C to 19C. The environment is suitable for beginners, offering mild currents and shallow conditions for both diving and snorkelling. Divers and snorkellers can expect to encounter a variety of temperate marine life typical of the region's seagrass and rocky habitats. Shore entry is available, and the park provides facilities including parking, toilets, showers, and changing rooms. Be aware of the presence of jellyfish in the water.

Bas-Caraquet Beach, located on the Gaspe Peninsula, offers a sheltered environment for snorkelling. The site features a natural sand dune that provides a gradual shore entry into the Baie des Chaleurs. Waters are shallow, with depths ranging from 1 to 5 metres and an average of 3 metres. Conditions are generally mild, making this a suitable location for beginners. The area is well-equipped with facilities including parking, toilets, showers, changing rooms, a rinse station, and a cafe. Guided tours and boat charters are available nearby. Typical snorkelling sessions last approximately 60 minutes.

Caraquet Bay is a shallow marine site featuring reef and seagrass habitats. Located off the Gaspe Peninsula, the area is accessible only by boat. Divers and snorkellers can expect depths ranging from 1 to 4 metres, with an average depth of 2 metres. Conditions are generally mild, though boat traffic is a noted hazard in the area. The site is suitable for intermediate divers due to the nature of the environment and boat-based access. Water temperatures fluctuate significantly throughout the year, ranging from -1C in winter months to 18C in August.

Maisonnette Park Sandbar is a 2.4km sandbar extending into Caraquet Bay on the Gaspe Peninsula. This site features shallow seagrass beds that provide a habitat for various temperate marine life, including invertebrates and fish. Water temperatures vary significantly throughout the year, ranging from -1C in winter to 19C in August. Due to the shallow nature of the sandbar, it is suitable for beginners and offers opportunities for both diving and snorkelling. Divers and snorkellers should be aware of potential hazards, including boat traffic, rip currents, and strong currents. Facilities available at the site include parking, toilets, and showers.

Louise P is a shallow, flat dive site located off the Gaspe Peninsula in Canada. Divers experience a consistent depth of 9 metres and visibility reaching 30 metres. Access is by boat only, and the site is subject to moderate currents. Due to the significant temperature range of -1C to 17C, appropriate thermal protection is required. Hazards at this site include cold water, potential entanglement from loose lines, sea urchins on the seabed, and active boat traffic. Divers should deploy a surface marker buoy during ascent to remain visible to vessels in the area. This site is suited for intermediate divers.