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Masons Island is located in the mouth of the Mystic River in Mystic, Connecticut in the Town of Stonington. The Island is ten minutes from Interstate 95. 

Sales areas: 

There are two areas on the Island: southern and northern. To view a map with available properties please click on Property Map.


The southern area is a gated community with private roads, open spaces, beaches and docks. Property values are maintained by deed restrictions on any land purchased from the Masons Island Company. There is also an Architectural Review Committee.


Property for sale is on Allyn's Alley, Black Duck Road, Chippechaug Trail, Cormorant Road, Egret Road, Great Marsh Road, Heron Road

and School House Road.


The northern area has public roads, open spaces and docks. Property values are maintained by deed restrictions on any land purchased from the Masons Island Company.

Property for sale is on Niles Road, and Old North Road.

Mason's Island Yacht Club: 

Any property owner in the southern area, including Cormorant Road and Egret Road, may be proposed for membership in the Mason's Island Yacht Club although there is no guarantee of admission. The Yacht Club provides facilities and instruction for sailing and small boat racing, swimming, tennis and bocce. These is also an extensive social program and several regattas. The Yacht Club operates independently of the Masons Island Company.



Masons Island is located on Fishers Island Sound within some of the finest sailing, boating, kayaking and fishing along the New England coast. Permits for anchorages around the Island are available for a $50 registration fee per year through a local Harbormaster.


History:  Historical information and pictures.



There is a 47 acre nature preserve on the Island which was developed in cooperation with The Nature Conservancy with trails through woods and along salt marshes. There are also 9 acres of open space throughout the island. The Ice Pond is a stopping point for white egrets on their seasonal migrations. As many as 75 have been counted settled in the trees on the evening.


Local Government: 

Masons Island, the largest island in Connecticut, is considered to be on the East side of the Mystic river which is in the Township of Stonington. A great deal of information about the area is available at the Town website including Local Activities and Information, Natural Resources, Schools and many web sites of interest.


Utilities and Services:

In the southern area the Masons Island Fire District contracts with the Mystic Fire Department for services. Water is provided by the Connecticut Water Company.

The northern area is within the boundaries of the Quaimbaug Fire District. Water is provided by the  Aquarion Water Company.

Wikipedia Information