The Conestoga Wreck is a shore-accessible artificial reef located 23 metres from the Brockville Waterfront. Resting at depths between 3 and 9 metres, this site is suitable for beginners. Divers experience a moderate current, which introduces a drift element to the 40-minute dive. Visibility is variable, ranging from 3 to 25 metres. The site lacks a thermocline and maintains warmer temperatures than many other regional freshwater locations. Night diving is permitted, offering a different perspective of the structure. Hazards include entanglement risks and currents that can strengthen unexpectedly. Divers should secure loose equipment and maintain buoyancy control. Parking is available at the site.

Weehawk is a shallow drift dive and snorkel site located in the St. Lawrence River near Brockville. The site features the remains of an old steel ferry and the historic Lock 27. Divers and snorkellers can explore these structures at depths ranging from 3 to 6 metres, with an average depth of 4 metres. The site is accessed from the shore and is subject to strong currents, making it suitable for intermediate divers. Visibility varies between 5 and 18 metres. Due to the nature of the site, divers should be aware of potential boat traffic and entanglement hazards.

Lock 27 is a freshwater wreck dive located 800 metres from shore in the St. Lawrence River. The site sits at depths between 4 and 8 metres, with an average of 6 metres, making it suitable for intermediate divers. Divers experience a moderate current that can increase unexpectedly, requiring careful planning with a boat operator. Visibility typically ranges from 3 to 6 metres, and the use of a dive torch is recommended. Due to the wreck structure, entanglement hazards exist, and carrying a cutting tool is advised. The site is accessible by boat and supports night diving. Divers should be prepared for cold water temperatures.

Prescott Scuba Park is a dedicated freshwater underwater park located along the Brockville Waterfront. The site features a concrete ramp for shore entry, leading to a variety of submerged attractions including training platforms, large anchors, and the S.S. Prescott, a small sunken dinghy. Depths range from 4 to 13 metres, with an average of 8 metres, making it suitable for beginners. Conditions vary, with visibility between 2 and 15 metres and mild currents. The site is accessible for both diving and snorkelling, with facilities including parking, toilets, changing rooms, and a dive shop. Divers should remain aware of boat traffic and potential entanglement hazards.

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.

The Hydroelectric Plant is a freshwater dive site located at the end of Augusta Street in Morrisburg, United States. This artificial reef consists of the submerged foundations of an early 1900s power plant, featuring concrete structures and a berm. Divers can explore architectural debris across depths ranging from 10 to 35 metres, with an average depth of 30 metres. Access is via the shore, and the site is suited for intermediate divers due to moderate currents and potential hazards including entanglement and low visibility. Visibility can reach up to 60 metres. Toilets are available at the site. Typical dives last approximately 30 minutes.

Lock 23 offers a unique freshwater experience featuring the submerged remains of a historic lock and sections of the old Morrisburg waterfront. Located in the United States, this site is suitable for beginners, with depths ranging from 0 to 4 metres and an average depth of 3 metres. Divers and snorkellers can access the site easily from the public beach. Conditions vary, with visibility ranging from 3 to 24 metres and mild currents present. Facilities at the site include parking, toilets, changing rooms, and showers. Typical dives last approximately 45 minutes. Hazards include cold water, low visibility, and strong current.

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.