Grosses-Roches features a rocky seabed situated near the municipal pier and launching ramp on the Gaspé Peninsula. This site offers a transition between river and maritime ecosystems, presenting a mix of reef and wall topography. Depths range from 11 to 41 metres, making it suitable for intermediate divers. Access is via a shore entry. Facilities available at the site include parking, toilets, showers, changing rooms, a rinse station, air fills, a dive shop, and boat charter services. Given the water temperatures, which fluctuate between -1C and 14C throughout the year, cold water diving equipment is required.

Rocher Cap-Chat is a reef site located on the Gaspé Peninsula, defined by the cat-shaped rock formation for which the town is named. Snorkellers can explore rocky ledges and kelp forests accessible directly from the shoreline trails near the lighthouse. The site is suitable for beginners, with depths ranging from 1 to 5 metres and an average depth of 3 metres. Currents are generally mild. Due to water temperatures ranging from -1C to 15C, thermal protection is necessary for all in-water activities. Facilities at the site include parking, toilets, showers, changing rooms, a rinse station, a cafe, first aid, a dive shop, and boat charter services.

Plage de Sainte-Félicité, located within the Parc Isabelle Boulay on the Gaspé Peninsula, offers a shore-entry snorkeling experience over a reef environment. The site is best accessed at low tide to explore tide pools, as the open water conditions are frequently affected by strong currents and surf. Depths are shallow, averaging 1 metre with a maximum of 2 metres. Visibility ranges from 15 to 30 metres, though water temperatures remain cold, typically hovering around 4 degrees Celsius. The habitat supports a variety of temperate marine life, including various fish, crustaceans, and echinoderms. Facilities at the site include parking, toilets, showers, changing rooms, a rinse station, and a cafe.

Cap-Chat River (Salmon Pools) offers a freshwater experience in the Gaspé Peninsula, Canada. The site consists of river pools accessible via shore entry, suitable for intermediate divers and snorkelers. Conditions vary, with water temperatures ranging from -1C in winter to 15C in summer. Divers should be aware of potential hazards including entanglement, overhead environments, and strong currents. The site features mild currents and provides comprehensive facilities, including parking, toilets, showers, changing rooms, air fills, equipment rental, a cafe, first aid, a dive shop, and boat charter services. Guided tours are available to assist with navigating the river environment.

Barge is a shallow shore-entry site located on the Gaspé Peninsula, offering depths between 1 and 3 metres. This site is suitable for beginners looking to gain experience in cold-water conditions, though a drysuit is essential due to water temperatures ranging from -1 to 15 degrees Celsius. Divers can expect visibility between 5 and 10 metres. A moderate current is present, so planning dives to swim against the current first is recommended. As a shallow environment, it provides a practical setting for buoyancy practice. Always check local conditions and facility availability before arrival, as amenities vary by season.

Plage de la halte routière de Cap-Chat offers a shore entry point where the Cap-Chat River meets the St. Lawrence Estuary. This site features a brackish environment resulting from the mixing of fresh and salt water. Snorkellers can observe small crustaceans and hardy plant life in the shallows. The site is suitable for beginners, though water temperatures remain cool throughout the year, ranging from -1C to 15C. Facilities at the location include parking and toilets. Due to the cold water, appropriate thermal protection is required for all in-water activities.

Plage du Parc des Îles is a shallow artificial reef site located on the Gaspé Peninsula in Matane. The site features river-fed waters with an average depth of two metres, making it suitable for beginners. Divers and snorkellers can expect mild currents and visibility ranging from two to five metres. The water temperature is cold, peaking at 14°C in summer, and requires thermal protection. The habitat supports a variety of temperate marine life, including various fish and invertebrates typical of the region. Shore access is available, supported by facilities including parking, showers, and equipment rental.

Exploramer, located on the Gaspé Peninsula near Sainte-Anne-des-Monts, offers a unique shore-based snorkelling experience focused on the St. Lawrence nursery ecosystem. The site features both natural reef and artificial reef structures, with depths typically ranging from 1 to 3 metres. Divers and snorkellers can expect mild currents and visibility between 2 and 5 metres. The water temperature fluctuates significantly throughout the year, peaking at 15C in July and August. This site is suitable for beginners, though participants should be aware of potential jellyfish and low visibility conditions. On-site facilities include parking, toilets, and a cafe to support visitors during their 120-minute sessions.