Bayswater is a shore-entry reef dive located in St. Margarets Bay, Canada. The site features depths between 10 and 17 metres, with an average depth of 14 metres. Divers experience mild currents and visibility ranging from 5 to 12 metres. Due to water temperatures fluctuating between 2 and 16 degrees Celsius, a drysuit is recommended. The site is suitable for beginners, though entry requires caution due to potential surf and shore break. Divers should remain vigilant regarding boat traffic. Facilities at the site include parking, toilets, and showers. Species recorded around this area include Atlantic wolffish, common lobster, and sea raven, alongside various temperate reef fish and invertebrates.

The Lodge in St. Margarets Bay is a reef and artificial reef site suited for advanced divers. The topography features a rocky shore entry that requires caution due to slippery rocks and seaweed. Divers can expect depths ranging from 3 to 40 metres, with an average depth of 8 metres. Conditions include mild currents, visibility between 7 and 9 metres, and cold water temperatures ranging from 2 to 9C. Hazards include boat traffic, surf, surge, and low visibility. Species recorded around this area include common lobster, sea raven, wrasses, righteye flounder, rock crab, and cod, alongside rare sightings of Atlantic wolffish and gray seal.

Birchy Head in St. Margarets Bay features a wall and reef topography suitable for intermediate divers. The site offers an average depth of 15 metres, with a range between 14 and 17 metres. Access is via a shore entry involving a steep slope and a climb over a guard rail. Divers should be prepared for cold water temperatures ranging from 2C to 16C and visibility between 3 and 8 metres. Conditions include mild currents, though hazards such as surge, surf, and entanglement risks are present. Typical dives last approximately 45 minutes. Parking is available on the ditch side of the road near the marked dive flag sign.

New Harbour in St. Margarets Bay is a shallow shore dive featuring a reef environment. Divers typically reach depths of 8 to 12 metres, with an average depth of 5 metres. Entry is possible via a slipway or by a giant stride from the lower sections of the dock when boat traffic permits. The site is suitable for beginners, with mild currents and visibility ranging from 5 to 10 metres. Water temperatures fluctuate between 2C and 16C throughout the year. Divers should remain vigilant regarding boat traffic and potential entanglement hazards from ropes in the area. Whale bones are located in the centre of the harbour.

Paddy's Head in St. Margarets Bay offers a diverse marine environment featuring reef, kelp forest, and seagrass habitats. This shore-entry site is suitable for beginners, with depths ranging from 1 to 18 metres and an average depth of 7 metres. Divers and snorkellers can encounter common species including lined seahorses, common lobsters, sea ravens, righteye flounder, rock crabs, and mauve stingers. Less frequently, torpedo rays, flying gurnards, grey triggerfish, spotfin butterflyfish, pipefish, cod, and shrimp are recorded. Visibility typically ranges from 6 to 8 metres. Be aware of cold water temperatures, boat traffic, surge, and potential entanglement hazards. Parking is available near the site.

The Fish Shack in St. Margarets Bay is a compact site featuring a combination of natural reef and artificial structures. Suitable for beginners, the site ranges from 5 to 12 metres in depth with an average of 8 metres. Divers experience mild currents and visibility typically between 9 and 12 metres. Shore entry requires caution due to surf and shore break; divers should time their entry during a lull. Water temperatures vary significantly from 2C to 16C, necessitating appropriate thermal protection. Parking is available on site, facilitating gear setup for the typical 45-minute dive. Hazards include sharp rocks and sea urchins during entry, as well as sharp structures on the reef.

Mill Cove Wharf Beach Side in St. Margarets Bay offers a diverse underwater environment featuring muck, reef, and kelp forest topography. This shore-entry site is suitable for beginners, with depths ranging from 1 to 20 metres and an average depth of 7 metres. Divers should be prepared for cold water conditions, with temperatures fluctuating between 2°C and 14°C throughout the year. The site is located at a working fishing wharf, requiring caution regarding boat traffic and potential entanglement hazards. Visibility typically ranges from 9 to 15 metres. Parking is available on the roadside, and guided tours are offered for those visiting this active coastal location.

Cranberry Cove in St. Margarets Bay is a protected site featuring a mix of sandy and rocky bottom topography. Divers encounter crevices and ravines within a depth range of 2 to 8 metres, with an average depth of 5 metres. The site is suitable for beginners and is frequently used for open water training. Access is via a shore entry, which requires a short hike from the road. Entry is best managed at high tide, as low tide conditions can be challenging. Visibility typically ranges from 5 to 15 metres, and currents are mild. Parking is available near the site.