Daily Sweat lists 2 gyms in Palau where you can train on a day pass, across 1 city. A single visit typically costs around 8.00 USD, ranging from 1.00 USD to 15.00 USD. 2 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”.