Lock 21 is an exciting and unique dive where you get to go back in time and dive a 19th century submerged Victorian canal lock on the St. Lawrence River. This dive can have strong currents and is best done by experienced divers.

Multiple entry points. There is a wall drop-off where you can enter, but the site can also be accessed from an easy gradual shore entry point (near the wreck of Wee Hawk). This is a shallow drift dive that can end up at the Conestoga Wreck.

The Wee Hawk wreck is very deceiving and should be viewed from the exterior; it is located in very shallow and calm water. Penetration should not be attempted without proper training.

This site was set up by the City of Prescott. It has easy access and a nice set up for divers. The area is shallow with calm water. Bottom composition is silt.

In 1958 the St-Lawrence seaway was created. The depth of the seaway was increased to allow larger ships to travel to the Great Lakes. As such many villages, road ways, locks, power houses, canals were submerged and can be seen by divers.

Touted in Augusta as the “World’s Best Fresh Water Scuba Diving,“ this Rothesay dive and picnic site offer a great day-use area with easy access to amazing freshwater diving. The water clarity is excellent with no thermocline.

It is best to dive the wreck of Robert Gaskin from a dive boat. The dive can be done from shore but requires a long swim and a diver that has a very low SAC. It is located at Brockville, Ontario / N44°35’21.48“ W75°40’37.4988“, more information is available at https://saveontarioshipwrecks.ca/buoysites/robert-gask

A popular dive site for all levels of divers, you can see the underwater sculpture placed here with six standing human figures looking up, surrounded at an 18-foot radius by benches at each cardinal point. Two sturgeons point north at 35 feet out, a tribute to a species that was once plentiful in the river.

This is a boat dive. Bring a light to see under the wreck. Prepare for strong currents (2-3 knots). Penetration is possible but not recommended for novice divers.The wreck lies between 40 and 50 feet with wreckage extending to 90 feet. Visibility is 8 to 12 feet.

The America wreck is located across the shipping channel from Jordstat Castle and Dark Island on the St. Lawrence River, New York side. Canadian boats going to this wreck must check-in with US customs first. The current can be strong so this dive is recommended only for advanced divers.