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.

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.

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.

Anse aux Bouleaux is a shore-entry snorkel site located within Bic National Park in the Saguenay Fjord. The underwater topography features rugged rock formations and extensive kelp forests. Depths range from 2 to 10 metres, with an average of 6 metres. Due to the cold water temperatures, which fluctuate between 0 and 12 degrees Celsius, and the presence of strong currents, surf, and low visibility, this site is suited for intermediate snorkelers. The habitat supports a variety of temperate marine life, including various reef fish and invertebrates. Facilities at the site include toilets and the availability of guided tours.

Anse à l'Orignal is a quiet cove located in the western sector of Bic National Park within the Saguenay Fjord. This shore entry site is suitable for beginners, offering calm water conditions with mild currents. The topography consists of a rocky seabed, which can be observed during snorkelling sessions. Water temperatures are cold, ranging from 0C to 12C throughout the year. Due to the nature of the environment, visibility is generally low. Guided tours are available for those wishing to explore the area. Snorkelling here is rated 3 out of 5, providing a focused experience for those interested in the local marine environment.