Keeper of the Room
NYC / Studio record / slt-flatiron
SLT Flatiron
137 Fifth Avenue, 2nd Floor, New York, NY, 10010
Editor verified · New York chapter · Sep 2026Studio website
The chapter says
“Fifth Avenue studio in Flatiron, described by SLT as walkable from Union Square. SLT publishes a 50-minute Megaformer format using springs and pulleys and combining Pilates, strength and cardio.”
— New York chapter
Instructor Register
Register prelaunch.
Member tools
Open your PassportCity rankingEquipment fingerprint
The machinery matters.
ReformersMegaformer™
ModelUnder review
CarriagesUnder review
Spring languagesprings and pulleys
Measured springsNo measured kilogram data
TowerNot verified
Cadillac / Chair / BarrelUnder review
Room conditions
What it feels like inside.
DaylightUnder review
CeilingUnder review
MusicUnder review
ClimateUnder review
MirrorsNot verified
Class sizeUnder review
Drop-in reality
Can you actually get in?
Single class$44.00
First timerIntro 3-Pack: $60.00 / Two-week unlimited: $115.00
Grip socks requiredYes
Grip socks soldYes
Cancellation12 hours
Reserve a carriageNot verified
Access & facilities
Observed, not assumed.
Step-free entryNot verified
LiftNot verified
Changing roomNot verified
Accessible changingNot verified
ShowersNo
LockersYes
Lineagehybrid
Data has a half-life
Something changed?
Closure, move or wrong detail: report it in one minute. Corrections are reviewed within seven days.