Bengtskaer is a boat-access reef located in the Turku Archipelago. The site features a reef structure descending from 15 to 32 metres. While rated for beginners, the depth requires careful monitoring, and the cold water temperatures ranging from 2 to 12 degrees Celsius necessitate appropriate thermal protection such as a drysuit. Visibility typically fluctuates between 5 and 10 metres. Divers should remain aware of potential surf, cold water exposure, and frequent boat traffic in the area. Entanglement risks exist within the structure, and conditions can shift rapidly. Facilities at the site are not confirmed, so check locally for boat charter availability before planning a dive.

Alfred is a wreck dive located in the Turku Archipelago, Finland. The site sits at a depth of 19 to 21 metres, with an average depth of 20 metres. Divers access the wreck by boat, as it is situated 6,500 metres from the shore. Conditions include a moderate current and visibility ranging from 5 to 10 metres. Due to the active waterway, divers must remain vigilant for boat traffic and deploy a surface marker buoy during ascent. Water temperatures fluctuate significantly throughout the year, ranging from 2C to 18C, necessitating the use of a drysuit. This site is suitable for beginners with basic buoyancy control skills.

Keulakuvahylky is a wreck dive located in the Turku Archipelago, resting at depths between 14 and 18 metres. The site is accessed by boat, situated 6500 metres from the shore. Divers encounter cold water conditions, with temperatures ranging from 2 to 13 degrees Celsius, making dry suits the recommended equipment. Visibility is limited to approximately 5 metres, requiring divers to stay close to the structure. The site is suitable for beginner divers, though the wreck presents risks of entanglement. Due to active boat traffic in the area, divers should maintain proximity to their ascent line and deploy a surface marker buoy before surfacing.

Eira is a reef dive located off the southern coast of Helsinki, Finland. The site features depths ranging from 20 to 47 metres, with shallower sections providing a calm environment for cold-water diving. Visibility typically fluctuates between 5 and 10 metres. Due to water temperatures ranging from 2 to 10 degrees Celsius, a drysuit and the proficiency to operate one are essential. Access is strictly by boat, and divers must remain vigilant for boat traffic. It is mandatory to deploy a surface marker buoy before ascending to the surface. Check locally for current boat access arrangements before planning your visit, as there are no fixed facilities on-site.