Daily Sweat lists 5 gyms in Nicaragua where you can train on a day pass, across 1 city. A single visit typically costs around 60.00 NIO, ranging from 25.00 NIO to 80.00 NIO. 5 sell passes at the front desk.
Keeping it accurate: prices come from gym websites and travellers who checked in; each listing shows when it was last verified. Spot a change? Every gym page has “Suggest an edit”.