Heramaanjärvi is a freshwater dive site located in the Helsinki and Southern Coast region of Finland. The site offers shore access and is suitable for beginners, with depths ranging from 3 to 30 metres and an average depth of 3 metres. Divers can expect mild currents and visibility between 4 and 10 metres. Typical dives at this location last approximately 30 minutes. Due to the nature of the environment, divers should be aware of hazards including cold water, potential entanglement, and periods of low visibility.

Isosaaren yhteyslaituri is an artificial reef located in the Helsinki and Southern Coast region of Finland. The site offers depths ranging from 10 to 27 metres, making it suitable for advanced divers. Access requires a boat to reach the entry point, despite the shore-entry classification. Divers should expect cold water temperatures, often near 0°C in April, necessitating the use of a drysuit. Visibility typically ranges between 5 and 10 metres, and currents are generally mild. The artificial structure provides a hard substrate for local marine life, which consists of temperate Baltic reef species and invertebrates. Divers should be prepared for entanglement risks and carry redundant cutting tools.

Kovero is a wreck dive located off the southern coast of Finland. The site sits at depths ranging from 20 to 40 metres, with an average depth of 30 metres, making it suitable for intermediate divers with deep and nitrox certifications. Access to the wreck is by boat. Visibility typically ranges between 5 and 10 metres. Divers should be prepared for cold water conditions and potential decompression requirements. Hazards include the deep nature of the site, low visibility, and the possibility of strong currents. Always check local conditions before diving, as thermal and visibility factors can shift significantly. Use of a surface marker buoy is recommended.