The LaHave Islands Marine Museum Society exists:
To collect and preserve data, records, and objects relating to the human, social, and industrial history of the LaHave Islands and area from the first inhabitants to the present day.
To establish, maintain, and operate a public museum for the housing, care, preservation and display of historical objects.
To develop, maintain, and interpret the collection in the context of the local heritage.
To maintain St. John the Evangelist Church, a municipal heritage church, as a functioning place of worship and inspiration.