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.

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.

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.

Les Îlets, located on the Gaspé Peninsula, is a shore-access reef site suitable for intermediate divers and snorkellers. The site features rocky islets where a short swim from the shore leads to the north face. Divers should be prepared for cold water conditions, with temperatures ranging from -1C to 15C, and a dry suit is recommended. The site is subject to moderate currents, which can be a hazard. Facilities available at the location include parking, toilets, and showers. The habitat supports a variety of temperate marine life, including various fish and invertebrates typical of the region.

Mitis River Mouth, located in the Gaspé Peninsula, offers a unique transition zone between freshwater and the St. Lawrence Estuary. Divers and snorkellers can explore a mix of sandy and rocky substrates at this river mouth. The site is accessible via shore entry and is suited for intermediate divers due to moderate currents and challenging conditions. Water temperatures fluctuate significantly throughout the year, ranging from -1C to 13C. Divers should be prepared for cold water and low visibility. Facilities available at the site include parking, toilets, guided tours, and air fills.