The Robert Gaskin is an 1863 double-masted wooden barge resting in the St. Lawrence River. Measuring 113 feet by 26 feet, the vessel features a square stern and sits on a firm bottom with light silt. The wreck lies with its bow facing inland, with depths ranging from 17 to 21 metres. Divers typically encounter a mild current across the deck. Located 450 metres from shore, the site is situated near the main shipping channel, necessitating caution due to boat traffic. Entry is possible from both shore and boat. Visibility at the site fluctuates between 5 and 15 metres, and the wreck is suitable for intermediate divers.

Cunningham Park is a freshwater artificial reef located along the Brockville Waterfront. The site features a renovated seawall with a dedicated ladder for shore entry, making it accessible for beginners. Divers and snorkellers can explore depths ranging from 2 to 15 metres, with an average depth of 8 metres. Visibility in the St. Lawrence River typically spans 12 to 30 metres. During summer months, water temperatures range between 20 and 24 degrees Celsius. While the site is suitable for snorkelling, users should remain aware of boat traffic in the area. The breakwater structure provides a sheltered environment for underwater exploration.

Muscallonge is a freshwater wreck dive located 91 metres off the Brockville Waterfront. Resting at depths between 27 and 32 metres, this site is suited for intermediate divers due to the significant depth and strong currents. Visibility at the site varies between 10 and 30 metres. Access is by boat only, and divers must remain vigilant regarding heavy boat traffic in the area. Given the challenging conditions and potential for entanglement, a surface marker buoy is strongly recommended. Guided tours are available through local dive shops, and a site briefing is essential to manage the currents and depth safely.

Molly's Gut is a narrow inlet located along the Brockville Waterfront. This site is characterised by calm waters and features a shallow, unidentified shipwreck. The area provides a sheltered environment that differs from the main river channel, making it a suitable location for beginner snorkellers. Access to the water is possible from both the shore and by boat. Due to its protected nature, the site is well-suited for quiet exploration of the underwater topography and the remains of the wreck.

Sparrow Island, located along the Brockville Waterfront, features a shallow bay on its north side characterised by unique rock ledges and aquatic vegetation. This freshwater site is suitable for intermediate divers and snorkellers, with depths ranging from 2 to 14 metres and an average depth of 8 metres. The area experiences strong currents and varying visibility between 5 and 10 metres. Divers and snorkellers should remain aware of boat traffic in the vicinity. The habitat supports a variety of temperate freshwater fish and invertebrates typical of the region. Access to the site is available via both shore and boat entries.

Li Ly Parson is a freshwater wreck dive located along the Brockville Waterfront. This drift dive requires boat access due to the strong currents present in the St. Lawrence River. Divers can explore the wreck at depths ranging from 6 to 24 metres, with an average depth of 15 metres. Visibility at the site typically fluctuates between 5 and 15 metres. The river in this area is noted for its lack of a thermocline, with summer water temperatures reaching 20 to 24 degrees Celsius. Given the current and depth, this site is suited for intermediate divers. Divers should remain aware of boat traffic in the vicinity.

The Henry C. Daryaw is a shipwreck lying at depths of 27 to 29 metres off the Brockville Waterfront. This freshwater site requires boat access and is suited for advanced divers with wreck certification. The wreck presents a full overhead environment, necessitating precise buoyancy control and navigation skills. Divers must manage strong currents that can shift direction unexpectedly. Visibility typically ranges from 10 to 30 metres, though conditions vary. Due to the depth and overhead nature of the wreck, carrying a torch and a surface marker buoy is standard practice. Guided tours are available and recommended for those visiting the site for the first time.

The Rothesay is a freshwater wreck and artificial reef located 90 metres off the Brockville Waterfront. Resting at depths between 6 and 9 metres, it is suitable for beginner divers. The site is accessed from the shore, with visibility ranging from 2 to 15 metres. While currents are generally mild, they can strengthen, and divers should remain aware of potential entanglement hazards within the structure. The wreck supports a variety of temperate freshwater fish and invertebrates typical of the region. On-site facilities include parking, toilets, changing rooms, showers, and a dive shop for air fills and equipment.