Etelaepaeae is a multi-feature site off the southern Finnish coast, comprising a natural reef alongside a wreck and artificial reef structures. Divers can explore these features at depths ranging from 10 to 25 metres, with an average depth of 18 metres. Visibility is consistently limited to approximately 5 metres, requiring divers to navigate closely to the structures. Boat access is mandatory for this site. Due to cold water conditions, a drysuit or thick wetsuit with hood and gloves is essential. Divers should be aware of entanglement risks posed by the wreck and artificial structures and carry a cutting tool.

Asikkala is a shallow freshwater reef dive located in Finland, offering depths between 4 and 7 metres. The site is characterised by calm conditions with no current, making it suitable for beginner divers looking to build confidence. Visibility is generally around 5 metres, so a dive torch is recommended to observe the local environment. Access to the site requires a boat, and divers should arrange their entry point in advance. The area supports temperate freshwater fish and invertebrates typical of the region. As on-site infrastructure is unconfirmed, check locally for boat launch facilities before planning your trip.

Kinissaari is a reef dive located in Finland, offering a manageable environment for beginner divers. The site features depths between 12 and 15 metres and visibility typically ranging from 5 to 10 metres. Access to the reef requires a boat. Divers should be aware that visibility in these Baltic waters can shift depending on weather and seasonal conditions, so planning for settled periods is recommended. As the site is diveable year-round, it provides a practical option for those visiting the region. Divers should check locally for boat charter options and facility availability before travelling, as services near Kinissaari may vary.

Kinisselkae is a technical freshwater drop-off site in Finland that descends from 20 to 80 metres. The topography features a sharp drop-off requiring advanced trimix and rebreather certification. Divers should expect visibility between 5 and 10 metres. Conditions are characterised by cold water and significant thermoclines, necessitating careful gas and thermal protection planning. There is no current at this site, though entanglement risks exist. Access is via boat, and divers must verify local facility availability for shore support and kit-up areas before arrival. This site is strictly for experienced technical divers due to the depth and environmental hazards.

Tornionsalmi is a freshwater shore-entry site featuring a reef and drop-off. Divers can explore depths ranging from 10 to 20 metres, with an average depth of 15 metres. The site experiences mild currents and visibility typically between 5 and 10 metres. A significant thermocline exists, with surface temperatures reaching 20°C and bottom temperatures near 0°C. Due to these cold conditions, a drysuit is strongly recommended. The habitat supports a variety of temperate freshwater fish and invertebrates typical of the region. Divers should verify local facility availability before visiting as on-site provisions are not guaranteed.

Iso-Tiilijärvi is a shallow shore-entry reef site in Finland, offering depths ranging from the surface to 6 metres. This site is well-suited for beginners due to the manageable depth and mild currents. Visibility at the site is variable, so checking local conditions before entry is recommended. Divers should be prepared for cold water, which remains a hazard year-round, necessitating the use of a drysuit or a well-fitted wetsuit with thermal protection. As all entry is via boat, divers must remain visible to the vessel crew at all times while at the surface and stay aware of boat traffic throughout the activity.

Heinolanvirta is a freshwater shore-entry dive site in Finland. The site features a reef structure at depths ranging from 8 to 11 metres. Divers should anticipate a moderate current, which requires careful planning of entry and exit points to dive with the flow. Visibility at the site typically ranges between 5 and 10 metres. Due to the variable nature of Finnish freshwater environments, water temperatures fluctuate significantly throughout the year, ranging from 4, 7°C in spring to 14, 21°C during the summer months. This site is suited for intermediate divers looking to gain experience in local conditions.