Kendall Square Community Skating
- Outdoor ice skating rink offering skate rentals, lessons, and a cafe serving hot drinks and snacks.
- http://76.162.165.88/ice.html

MIT Outing Club
- History, club information, rentals, activities and related links for club based at the Massachusetts Institute of Technology.
- http://web.mit.edu/mitoc/www/

Cambridge Family YMCA
- Nonprofit community service organization founded in 1867. Site includes extensive schedule of sports and fitness programs for children and adults.
- http://www.cambridgeymca.org/

Kendall Wanderers Football Club
- One of the oldest amateur soccer teams in Massachusetts. Site includes team history and schedule.
- http://www.kendallwanderers.com/

Cambridge Athletic Club
- Health club in Kendall Square.
- http://www.cambridgefitness.com/

Cambridge Arsenal Soccer Club
- Adult amateur soccer team, member of the (BSSL) Bay State Soccer League. Schedule, team photo, news and contact information.
- http://www.cambridgearsenal.com