BeyondFit

Bhakti Bodhi Yoga

Big Night Fitness

Bigger Muscles, Better Intentions

Bikes and Beers

Bilancia Fitness

Black Crow Yoga

Blissful Monkey Yoga Studio

Body & Brain

Body & Brain

Body Works

BodyWaves

Bodyscapes Fitness

Boston Ballet School

Boston Barre

Boston Body

Boston Body

Boston Body Pilates Belmont

Boston Body Pilates Newbury Street

Boston Body Pilates Waterfront

Boston Dance Studios

Boston Harbor Sailing Club

Boston Martial Arts and Fitness

Boston Pilates