The Fitness Center at The Dylan Amsterdam
The Dylan's fitness center is recommended by those who travel for a living. Of the 17 professionals that we monitored, 2 recommended the fitness center, including Oyster and Fodor's.
The Dylan Amsterdam 
Oyster
Fodor's
Oyster "There's a tiny gym, but the property, like many in Canal Ring, lacks a spa or other wellness facilities"
Fodor's "YOU SHOULD KNOW While there’s a small gym, there is no on-site spa or pool"
