Innovative Health

InsideOut Yoga

Inspire

Inspire Seattle

Integral Wellness Services

Island Hop

Ivan Salaverry MMA

JabX Kickboxing

Jazzercise

Kettlebility

Kim's Tae Kwon Do

Kinesia Pilates Studio

Kirchoff Fitness

KlickWay Athletics

Koei-Kan Martial Arts Academy

Kundalini Kriya Yoga Meditation Seattle

LINK Group Fitness

LaVida Studio

Lake Washington Rowing Club

Lifted Beauty & Wellness

Live Love Flow

Live Love Flow

Live2dance Seattle

Lotus Yoga