Impact Strength and Performance

Industrious

Infrared Yoga

Innovative Health

InsideOut Yoga

Inspire

Inspire Seattle

Integral Wellness Services

Inzpire

Island Hop

Ivan Salaverry MMA

JabX Kickboxing

Jaytech Baseball

Jazzercise

Junction Hot Yoga

Kettlebility

Kinesia Pilates Studio

Kirchoff Fitness

Koei-Kan Martial Arts Academy

Koko FitClub

Kraken CrossFit

Kula Movement

Kundalini Kriya Yoga Meditation Seattle

LINK Group Fitness