The Kolkhosnik, also known as the Russian, is a deep wreck located in Halifax Harbour. Lost on 17 January 1942, the vessel rests at depths between 40 and 44 metres, with an average depth of 39 metres. This site is strictly for advanced divers due to the significant depth, risk of nitrogen narcosis, and strong currents. Access is by boat only. Divers should be prepared for cold water conditions, with temperatures ranging from 2C to 8C throughout the year. Species recorded around this area include wrasses, common lobster, sea raven, righteye flounder, cod, rock crab, brittle star, sea star, sea spider, common sea star, snails, sea squirt, and European green crab.

Sandy Cove in Halifax Harbour provides a diverse shore dive featuring a combination of reef, kelp forest, and artificial reef structures. Located 50 metres from the shore, the site reaches depths between 8 and 18 metres with an average of 12 metres. Divers encounter mild currents and visibility ranging from 5 to 15 metres. The water temperature is cold, fluctuating between 2C and 14C throughout the year, necessitating appropriate thermal protection. Entry is from the shore, where divers should assess surf conditions before proceeding. Parking is available on-site for convenience. This site is suitable for beginners, with typical dives lasting around 40 minutes. Be aware of boat traffic in the area.

The Portia is a wreck site located in Halifax Harbour, offering an intermediate drift dive at depths between 15 and 20 metres. The topography of the wreck changes regularly due to shifting sand movement around the structure, ensuring that conditions and visibility vary between visits. Access to this site is by boat only. Divers must be prepared for strong currents and cold water temperatures, which range from 2 to 14 degrees Celsius throughout the year. Due to the nature of the wreck, potential hazards include entanglement and low visibility. This site is recommended for experienced divers comfortable with drift diving in challenging marine conditions.

Isabells Beach is a shallow reef dive located in Halifax Harbour, suitable for beginner divers. The site features a reef structure at depths ranging from 4 to 8 metres, with an average depth of 6 metres. Divers can expect visibility between 5 and 10 metres. Entry is from the shore, where divers should remain cautious of surf and shore break. Due to water temperatures fluctuating between 2 and 16 degrees Celsius, a drysuit or thick wetsuit is essential. The site is accessible year-round and supports night diving. Divers should be aware of potential strong currents and maintain awareness of the deeper 21-metre profile nearby.

Sambro Bridge is a shore-entry reef dive in Halifax Harbour, Nova Scotia, suitable for beginner divers. The site features a reef at depths of 8 to 12 metres, with an average depth of 10 metres. Divers can expect moderate currents and visibility ranging from 5 to 10 metres. Water temperatures fluctuate significantly throughout the year, from 2C in late winter to 16C in late summer, necessitating appropriate thermal protection. Hazards include boat traffic and potential entanglement, requiring the use of a surface marker buoy. Parking is available at the site. Marine life recorded around this area includes various temperate reef fish and invertebrates such as crabs, sea stars, and lobsters.

Parliament Rock is a shore-entry reef dive located in Halifax Harbour, Nova Scotia. The site features a reef structure that descends from 15 to 30 metres. Visibility at this location ranges from 10 to 30 metres. Divers should be prepared for cold water temperatures, which fluctuate between 2 and 11 degrees Celsius throughout the year, making a drysuit essential. While currents are typically mild, they can shift, and strong tidal currents are a known hazard in the broader Bay of Fundy area. Divers are advised to confirm current conditions locally before entry. This site is suitable for intermediate divers.

Long Cove is a shallow reef dive in Halifax Harbour, offering a manageable depth of 7 to 8 metres. This shore-entry site is suitable for beginners, though divers must be prepared for cold water temperatures ranging from 2C to 16C throughout the year. Visibility typically fluctuates between 5 and 10 metres. A moderate current is present, and divers should time their entry around slack water to avoid stronger flows. Due to consistent boat traffic in the area, towing a surface marker buoy is essential for safety. Species recorded around this area include Atlantic Wolffish, Sea Raven, Common Lobster, and various wrasses, flounder, and crustaceans.

Portuguese Cove in Halifax Harbour offers a shore-entry dive featuring a mix of reef and wreck topography. Divers can access the water via a slip or near an old fishing building. The site ranges from 2 to 18 metres in depth, with an average of 10 metres. Underwater, the cove contains large sand ripples and small boulders. Conditions include mild currents and visibility between 9 and 12 metres. Water temperatures are cold, fluctuating between 1 and 14 degrees Celsius throughout the year. Hazards include cold water, low visibility, sea urchins, and surf. It is recommended to seek permission from local residents before diving.