Gyms on the map: over 3100 fitness centres in Finland, from chains to municipal halls, by municipality. Free, no login and no paywall.
3 122 places in
The map shows 37 gyms in Pori. This is the number of places in this service, not an official total for the municipality.
34 places have parking within 500 metres (typically 90 m) and 36 places have a bus stop nearby (typically 100 m). Distances are measured to the nearest parking area and bus stop marked on the map.
Porin nuorisotalon isosali is right in the city centre. The farthest is about 44 km away.
Porin urheilutalon kuntosali, CrossFit Pori, Fressi 24h Kuntosali Pori, GOGO Express Pori. These have their own description, a photo or a Wikipedia article, so the place page offers background beyond the location alone.
The register lists: toilet at 1 place. A missing entry does not always mean the facility is absent, only that it has not been recorded.
On the place's own page. 30 places in Pori have a link to their own website and 23 have a phone number. The most up-to-date information is always on the place's own site.