New Members Receive*

Key Fob for 24 hour access
Gym orientation
Wellness assessment

*Included in $50 initiation fee

Our Best Pricing*


Basic Gym $35/month
Premium Gym $50/month
Plus Memberships $80/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.


Wellness Wing

We are slowly developing our West Wing at Gravity into a Wellness wing. We now have available Chiropractic and massage services. Go to the Wellness page to find out more.

Kids Summer Camp 2021

Gravity Fitness and Tennis is offering Warrior Arts Camps for kids ages 7 – 14. The capacity for each camp is 20 kids, so reserve your spot today! Sign up by calling (208) 788-7669 or visiting our front desk during our staffed hours. More information at Kids Summer Camp page.

Please Continue To Follow Safety Protocol

    • Everyone entering the center must remove their street shoes and change into athletic shoes in the outer entryway.
    • Practice social distancing of six feet between individuals.
    • Wipe down all equipment you will be using both before and after use.

Martial Arts Classes

Students will learn the traditional art of Soo Bahk Do (Korean Karate). Students will develop discipline, respect, eye focus, flexibility, strength & coordination, proper movement, and breathing skills. The classes will give students a foundation in martial arts training, as well as all around movement, and will improve all other athletics pursued in their life.

Your Instructor – Oliver Whitcomb

Oliver Whitcomb is a Nationally Certified Soo Bahk Do instructor, who’s been teaching Martial Arts in the Wood River Valley since 1996. He also teaches modified martial arts to children and adults with cognitive disabilities in the Wood River Valley since 2003. Oliver has worked in many school systems teaching introductory martial arts classes as a tool for bringing discipline, focus and exercise into the class room, as well as promoting conflict resolution.

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

The Gym


Martial Arts

Tribe Team

Kids Program