(208) 788-7669
Welcome to Gravity Fitness & Tennis! Our mission is to provide affordable access to a state of the art facility and optimize the health and performance of as many people as possible in our community. We have a clean, spacious gym, with state of the art equipment, and amazing instructors. Whatever your fitness needs are, we’ve got you covered.

New Members Receive*

Key Fob for 24 hour access
Gym orientation
In Body Scan

*Included in $50 initiation fee

Our Best Pricing*


Basic Gym $45/month
Premium Gym $70/month
Plus Memberships $100/month
(Premium Plus Tennis, Martial Arts or Tribe Team Training)
All memberships include 24 hour access

*All pricing above is based on a 1 year membership contract.


Basic – $30/month
Premium – $55/month
Plus – $80/month

In honor of Heroes in our community, Gravity offers Heroes Memberships at a discounted rate to honor those essential employees we all depend upon and who work tirelessly for very little pay. These include: Veterans, Law Enforcement, First Responders, and School Teachers. We thank you for your service!


Day Pass – $20
Week Pass – $40
Month Pass – $60


Basic membership gives you 24/hour access, use of traditional gym, 3,500 Square Foot Functional training room, and upper level training area/stretch zone, locker rooms and towel service


Premium membership gives you basic membership, Unlimited Group X Classes (see schedule), and One Free In Body Scan per month


Plus membership gives you Premium Membership PLUS

  • Tennis – Members Pay No Court Fees!
  • Martial Arts – Unlimited Classes
  • Tribe Team Training – your choice of Tribe LIFE or Tribe FIT
  • *Plus Memberships minimum age is 14

Gravity Summer Camps for Kids

Register by calling 208-788-7669 or visiting the front desk during regular business hours

  • Tennis
  • Martial Arts
  • Functional Training
  • And more!

Space is limited! Register now!

Gravity Fitness summer Kids Camp 2024

Mission Statement

Mission Statement for Gravity Fitness And Tennis


The best gym in Sun Valley by vote of the people in the area is Gravity Fitness and Tennis

Take a 3D Tour of Gravity.


The Gym


Martial Arts

Tribe Team