Le Grand Rassemblement is a unique artificial reef located in Sainte-Flavie, Quebec, consisting of over 100 life-sized concrete sculptures created by artist Marcel Gagnon. These statues are situated in the intertidal zone, meaning they emerge and disappear depending on the tide. Snorkellers can explore this art-nature installation directly from the shore. Conditions at this site vary, with visibility typically ranging from 5 to 15 metres and water temperatures fluctuating between -1C and 13C throughout the year. Due to the potential for strong currents and surf, this site requires careful monitoring of local tide and weather conditions. Parking is available for visitors.

Flavie-Drapeau is a shore-entry site located in Sainte-Flavie near the historic church. The topography consists of a rocky bottom featuring old wharf pilings that provide structure for the area. Snorkelers should be aware of mild currents and potential boat traffic in the vicinity. Due to the cold water temperatures, which range from -1°C to 13°C, appropriate thermal protection is required. Facilities at the site include parking, toilets, showers, changing rooms, a rinse station, and a cafe. The site is suitable for beginners, though users should remain cautious of entanglement hazards near the wharf structures.

Anse-aux-Coques is a sandy bay located in Sainte-Luce-sur-Mer, offering a sheltered environment suitable for beginner snorkellers. The site features shallow waters that reach temperatures of up to 13C during the summer months. Access is via the shore, with facilities including parking, toilets, showers, and changing rooms available for visitors. A cafe is also located nearby. The habitat supports a variety of temperate marine life, including various fish and invertebrates typical of the St. Lawrence region. Due to the variable water temperatures ranging from -1C to 13C throughout the year, appropriate thermal protection is required for all in-water activities.

Pointe-au-Père, located near the historic lighthouse in Rimouski, offers a challenging environment for advanced divers. The site features a mix of reef and artificial reef structures, with depths reaching up to 24 metres. Divers should expect moderate currents and visibility that can reach up to 15 metres. Water temperatures are cold, ranging from -1C to 8C throughout the year. Access is via the shore, and the area is exposed to boat traffic. Due to the potential for entanglement and the nature of the site, it is suited for experienced divers. Facilities including parking and a cafe are available on-site.

Plage du Rocher Blanc in the Saguenay Fjord offers a shore-entry snorkelling experience over a mix of rocky and sandy substrates. This site is suitable for beginners, with depths typically ranging from 1 to 3 metres, reaching an average of 4 metres. Snorkellers should be prepared for moderate currents and very cold water temperatures, which fluctuate between 0C and 12C throughout the year. Proper thermal protection is essential to mitigate the risk of hypothermia. Parking is available at the site. Due to the nature of the rocky bottom, be aware of sea urchins when entering or exiting the water.

Matane-sur-Mer Beach is a long, pebbly shoreline situated west of the Matane River mouth on the Gaspé Peninsula. Snorkeling is possible in the shallow, calmer areas near the shore, with depths typically ranging between 1 and 3 metres. The site is suitable for beginners, though conditions are challenging due to very cold water temperatures, which rarely exceed 15°C, and low visibility of 1 to 3 metres. Divers and snorkellers should be aware of hazards including surf, rip currents, and sea urchins. Access is via the shore, with parking facilities available nearby. Typical sessions last around 30 minutes.