The Hopper is a reef and artificial reef site located off the Northumberland Coast. This marine location is accessed by boat, situated 4000 metres from the shore. The site features depths ranging from 6 to 25 metres, with an average depth of 13 metres. Conditions are variable, with strong currents and visibility between 5 and 20 metres. Water temperatures are cold, ranging from 7C to 15C throughout the year, making drysuits recommended for participants. The site is suitable for intermediate snorkellers, with a typical activity duration of 40 minutes. Hazards include cold water, sea urchins, strong currents, and surf.

The Farne Islands, located off the Northumberland Coast, offer a variety of reef diving opportunities. The site is suitable for intermediate divers, with depths ranging from 5 to 35 metres and an average depth of 17 metres. Access is strictly by boat, as the islands are situated over 3 kilometres from the shore. Divers should be prepared for moderate currents and visibility that fluctuates between 5 and 20 metres. Water temperatures are cool, ranging from 7°C to 13°C throughout the year, making a drysuit highly recommended. Hazards include boat traffic, surge, and the potential for entanglement. Typical dives at this location last approximately 40 minutes.

St Andre is a wreck dive located off the Northumberland Coast, resting at depths between 15 and 25 metres. Accessible only by boat, the site features mild currents, making it suitable for divers comfortable with wreck exploration. Visibility at the site is variable, ranging from 10 to 30 metres. Water temperatures are cool, fluctuating between 7 and 13 degrees Celsius throughout the year, necessitating the use of a drysuit. Divers must remain alert for boat traffic during entry and exit procedures. Due to the depth of the wreck, it is essential to monitor ascents closely and ensure surface markers are visible at all times.

The Farne Islands feature a diverse underwater landscape comprising reefs, walls, kelp forests, and wrecks. Located off the Northumberland Coast, this site offers depths ranging from 10 to 35 metres, with an average depth of 15 metres. Access is strictly by boat charter. Divers should be prepared for cold water temperatures between 7 and 13 degrees Celsius and moderate currents that can fluctuate. Visibility typically spans 5 to 15 metres. Due to the depth and potential for currents, divers must monitor their computers and buoyancy, particularly when navigating near overhead environments. A drysuit is recommended for these conditions.

Crumstone is a reef site located 500 metres off the Northumberland Coast. The site features a consistent depth of approximately 8 metres, making it suitable for beginner divers. Access is exclusively by boat. Divers should be prepared for cold water temperatures ranging from 7C to 15C and visibility typically between 5 and 10 metres. The site is subject to moderate currents and potential surf conditions. Typical dive times at this location are around 40 minutes. Facilities including parking, toilets, and a cafe are available nearby on the coast.

Hopper Rock is a marine dive site located off the Northumberland Coast. The site features a relatively shallow depth range, typically between 11 and 12 metres. Conditions vary throughout the year, with water temperatures ranging from 7C in late winter to 15C in August. Species recorded around this area include Gray Seal, Common Lobster, Squat Lobster, various sea slugs such as the Orange-clubbed Nudibranch, wrasses, Lumpfish, Giant Jellyfish, Rock Crab, Sea Hare, Common Sea Star, and Common Moon Jellyfish. Divers should be prepared for temperate water conditions typical of the region.

Longstone is a marine dive site located off the Northumberland Coast, featuring a combination of reef and wreck topography. The site maintains a consistent depth of 12 metres. Access is strictly by boat, as the site is situated approximately 8 kilometres from the shore. Divers should be prepared for challenging conditions, including strong currents, surge, and variable visibility ranging from 5 to 15 metres. Water temperatures are cold, fluctuating between 7C and 15C throughout the year, making a drysuit essential for comfort. Due to the presence of boat traffic and strong currents, this site requires careful planning and is best suited for those experienced with cold-water environments.

Beadnell, located on the Northumberland Coast, offers a diverse underwater environment featuring reefs, walls, and kelp forests. Divers can also explore wreck sites within the area. The site is suitable for intermediate divers, with depths ranging from 4 to 20 metres and an average depth of 8 metres. Shore entry is standard, though divers should be aware of potential hazards including surf, rip currents, strong currents, and overhead environments. Visibility typically fluctuates between 5 and 15 metres. Facilities at the location include parking, toilets, showers, changing rooms, air fills, and a cafe. Guided tours are available, and the site is suitable for night diving.