Aerohot: Hot-air balloon flights.
Capoeira Capital: Association that offers courses in Brazilian capoeira.
Finnish Geocaching by Nuuksion Metsäsissit: Provides brief information about the club operating in the metropolitan Greater Helsinki area.
Friskis & Svettis: Sports association offering indoor and outdoor workouts.
Gardenia: Basic information about the tropical garden in Viikki.
Grand Casino Helsinki: Casino of the Finnish Slot Machine Association.
Helsinki City Marathon: General information, registration form and the results of previous years.
Helsinki Rugby Club: Gives information on the club, the schedule and how to join as a social member or a player.
Helsinki Wolverines: American football team. Includes news, fixtures and results.
Hietsu Beach Volley: A beach volleyball club.
Mountain Biking in Helsinki: Pictures and video clips of mtb xc bikes, mountain biking trails and dirt jumping.
Naisten Kymppi: 10 km annual run for women.
Olympic Stadium: Official site of the stadium where year 1952 Olympic Games were held. Includes history, foundation, map and visitor opening hours.
Puna-Mustat: Club for Finnish baseball (pesäpallo).
Saunasaari: Sauna island in front of Helsinki. Different kind of saunas for rent, including traditional smoke saunas.
Seaid Walks: Annual walk around the peninsula of Helsinki. Lots of photos from previous walks.