The Holy Innocents Mission Church, now known and operated as the Long Beach Island (LBI) Museum, is a key-contributing resource to the Beach Haven Historic District as an excellent example of Stick/Shingle style architecture. The two-story building was designed by the Wilson Brothers of Philadelphia and was constructed in 1882 as the first church on the island. Construction of the building was funded by the Parry family, a notable family in the development of Beach Haven. The church was only utilized as a summer church until 1938 when the “winter addition” was constructed. This chapel addition was designed by John H. Brandt Jr. who was assisted by Samuel Moutford, the architect of a Trenton cathedral. In 1951, the chapel was converted to a parish hall and the wing was incorporated under the continuous porch roof of the main building. The addition was designed to complement the original portion of the church and now considered a contributing feature of the building. 

In 1975, the church organization constructed a new Holy Innocents Church on a site nearby and sold the original 1882 building to the Long Beach Island Historical Society. It was opened as the Long Beach Island Museum in 1976 and has operated as such ever since. 

The 2022 Trust grant will help fund the preparation of a Historic Preservation Plan for the 1882 Holy Innocents Mission Church.