Daily Sweat lists 5 gyms in Luxembourg where you can train on a day pass, across 1 city. A single visit typically costs around 30.00 EUR. 4 sell passes at the front desk. Chains with walk-in passes include Basic-Fit (1 branch).
Facilities: 4 with a sauna, 1 with a pool. Facility filters are on every city map.
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”.