One hotel per budget, picked for its gym, not its lobby. Size, equipment, opening hours and extras, with sources.
Checked: 2026-11-02
Best gym in the city: Hotel San Millán. Large gym on two floors, free for guests, the most complete hotel gym found in Santander.
Hotel photo: Booking.comFree gym open 07:00 to 22:00 with 4 cardio machines and one multi-station. Guests say it is old, hot and poorly equipped, with no changing rooms.
Gym photo: Booking.comFree gym that guests describe as new, clean and easy to use, but small, with poor ventilation and some dated equipment.
Limited information: confirm the gym with the hotel before booking.
Hotel photo: Booking.comLarge, well equipped gym over two floors, free for guests. It is also open to outside members, so guests report noise from classes and music.