From The Owner:-
Fitness First Terminal 21 is located right at the heart of Bangkok, near Asok BTS station. The club is designed to fit the fast-paced lifestyle of Bangkokians with the Freestyle Exercise area, cycling station equipped with TVs and headphones and group exercise classes.
Fitness First Terminal 21 is located on the mezzanine floor above the 6th floor, providing the great views of the capital's CBD of Sukhumvit.
How to get here: BTS at Asok Station and MRT at Sukhumvit Station