Blissful Monkey Yoga Studio

Blue Lotus Healing Arts

Body & Brain

Bodyscapes Fitness

Boston Athletic Training

Boston Ballet School

Boston Body

Boston Body Pilates Belmont

Boston Body Pilates Waterfront

Boston Body West Newton & Natick

Boston Brazilian Jiu-Jitsu

Boston JCC

Boston Martial Arts and Fitness

Boston Pilates

Boston Pole Fitness

Boston Rhythmic

Boston Underground Strength Training

Bouldering Project - Boston

Brookline Tai Chi

Brookline Teen Center

Burn Fitness Studios

Burning Wheel Yoga School

C2 BODY

COVID-19 Vaccine at Reggie Lewis Center Roxbury Community College