Rosemary Lodge is a historic home located at Water Mill in Suffolk County, New York.

It is a 2+1⁄2-story frame Shingle Style constructed in 1884 as an unfinished shell from plans prepared by architect Frederick W. Stickney.

The house features a steep gable roof, broad porch, several upper story projections, and asymmetrical massing.

[2] It was added to the National Register of Historic Places in 2000.

This article about a historic property or district in Suffolk County, New York, that is listed on the National Register of Historic Places, is a stub.