Bad to the Barre

Balans

Ballroom in Boston

Bancroft Boxing

Baptiste Power Yoga Boston

Barre & Soul

Barre Groove

Barre3 Needham

Beacon Hill Yoga

Beacon Hill Yoga/REPS

Beantown Bootcamp

Beau Monde Ballroom

Belinda Gower Studio

Bernardo Faria Academy

Beyond Physical Therapy + Pilates

Bigger Muscles, Better Intentions

Black Crow Yoga

Blissful Monkey Yoga Studio

Blue Lotus Healing Arts

Body & Brain

Body & Brain

Body Works

BodyWaves

Bodyscapes Fitness