Historic Downtown Mystic Located at Main and Water Streets, 860-572-9578, This organization promotes all types of businesses, such as lodging, dining, and shopping, in the historic downtown areas of Mystic. more...

Mystic Chamber of Commerce 14 Holmes Street, Mystic, CT 06355, 860-572-9578, Promotes and supports local businesses and industries in the Mystic area plus provides relocation information. 

Mystic River Historical Society 76 High Street, Mystic, CT 06355, 860-536-4779, Founded in 1973, this community organization is dedicated to preserving and promoting the historical traditions of the greater Mystic area.  more...