Weekday B Membership has full access to Old Westbury's tennis, fitness, pool and dining amenities, in addition to entertainment and social events. A Weekday B Membership allows for golf privileges on Tuesday, Wednesday and Thursday and tee off Fridays before 11am (excluding holidays). Privileges are extended to the Weekday B Members, their spouse or significant other, and dependent children under the age of 23 as allowed by the Club.