Daily Sweat lists 1 gym in American Samoa where you can train on a day pass, across 1 city. A single visit typically costs around 5.00 USD. 1 sell passes at the front desk. 1 also offer a weekly pass for longer stays.
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”.