Marina de Trois-Pistoles features an artificial reef created by the breakwater structure within the Saguenay Fjord. This shore entry site is suited for intermediate divers and snorkellers, though conditions vary with moderate currents and low visibility due to sediment. The rocky environment provides habitat for a variety of temperate marine life, including benthic invertebrates and fish species typical of the region. Divers should remain vigilant for boat traffic and sea urchins in the area. Water temperatures are cold, ranging from 0C to 11C throughout the year. Parking is available for site access.

Grève Morency in the Saguenay Fjord is a coastal site featuring tide pools that emerge at low tide. This shallow reef environment is suitable for beginners, with depths typically ranging from 1 to 2 metres. Snorkellers can access the water directly from the shore. Conditions are characterised by mild currents and visibility between 1 and 5 metres. The water is extremely cold throughout the year, requiring appropriate thermal protection to mitigate the risk of hypothermia. The habitat supports various temperate marine life, including invertebrates and fish species common to the region. Facilities at the site include parking, toilets, showers, and changing rooms.

Located 5km offshore from Trois-Pistoles, the South Quay at Île aux Basques is a marine site featuring a rocky shoreline and an old stone quay. This site functions as both a natural reef and an artificial reef structure. Due to the influence of the Labrador Current, water temperatures are cold, ranging from 0C to 11C throughout the year. Access to this site requires a boat. The location is suitable for advanced divers, with typical dive durations reaching 180 minutes. Snorkelling is also possible along the rocky perimeter. Divers and snorkellers should remain aware of local boat traffic and the challenges associated with cold water conditions.

Sentier de la Digue in Kiskotuk Coastal Park offers a shore-entry snorkeling experience focused on the salt marshes of the Saguenay Fjord. The site is best accessed at the peak of high tide to explore the cordgrass marsh environment. Conditions are variable with water temperatures ranging from 0C to 11C throughout the year. Divers and snorkellers should be aware of moderate currents and low visibility. Facilities available at the park include parking, toilets, showers, changing rooms, and a rinse station. Guided tours are available for those seeking assistance in navigating the coastal environment.

Located at the northern tip of Île Verte in the Saguenay Fjord, this site features rocky reefs and tide pools. Divers and snorkellers can explore the boulder-strewn bottom, which provides a habitat for various cold-water invertebrates and macro life. Access is via the shore, and the site is suited for intermediate-level participants due to the presence of strong currents and cold water temperatures ranging from 0C to 11C throughout the year. Facilities available at the location include parking and toilets, with guided tours also offered. The site is rated 3/5 for snorkelling.

Located on the northern side of Île Verte at Anse de la Richardière, this site offers a challenging shore-access snorkelling experience in the Saguenay Fjord. Situated 2000 metres from the shore, the site is suited for advanced snorkellers due to the presence of moderate currents and very cold water temperatures, which range from 0C to 11C throughout the year. Divers and snorkellers should be prepared for cold water conditions and strong currents. Facilities available at the location include parking, toilets, showers, changing rooms, a rinse station, air fills, equipment rental, a cafe, first aid, a dive shop, boat charters, and guided tours.

Anse à la Richardière (Island Side) is a sheltered site within the Saguenay Fjord, offering a calm environment for snorkelling. The area is best suited for exploring the intertidal zone and shallow eelgrass beds, which are most accessible during high tide. Entry is via the shore. Water temperatures are cold, ranging from 0C in winter to 11C during the summer months. Given the conditions, this site is rated as a beginner-level location. As a cold-water environment, appropriate thermal protection is required for all in-water activities.

Paradis Marin in the Saguenay Fjord offers a shallow shore-entry dive suitable for beginners. Divers explore a reef area at depths of 2 to 3 metres, with visibility ranging from 10 to 30 metres. The site features a moderate current, requiring careful navigation. Water temperatures are cold, fluctuating between 0 and 11 degrees Celsius throughout the year, necessitating appropriate thermal protection such as a drysuit or thick wetsuit with hood and gloves. Species recorded around this area include grey seals, harbour seals, Atlantic wolffish, lumpfish, sea stars, rock crabs, orange sea cucumbers, shrimp, brittle stars, cod, righteye flounder, snails, and dead man's fingers. On-site facilities include parking, toilets, showers, and changing rooms.