Looking for a place to pump iron and work up a sweat, even in the wee hours of the night? Rotterdam has a couple of 24-hour gyms you might want to check out.
Anytime Fitness has been around for a while. There are multiple Anytime Fitness locations in and around Rotterdam. The nice thing about Anytime Fitness, is that membership gives you access to all of their gyms worldwide. This is useful, since there are many Anytime Fitness gym spread out all over the city. Also, the dressing rooms and showers are private. For more information, check out the Anytime Fitness website.
Snap Fitness is relatively new in Rotterdam. There's one gym and it's located near the foot of the Erasmus bridge, on the North side of town, near Zalmhaven. You can get there easily by metro and tram. For more information, check out the Snap Fitness website.