House at 200 Bay Avenue

House at 200 Bay Avenue is a historic home located at Huntington Bay in Suffolk County, New York. It was built about 1890 and is a large, rambling $2 1/2$-story, gable-roofed residence with a shingled first floor and stucco and half-timbered second floor. It is representative of the Tudor Revival style. Also on the property is the building containing the original garage / servant's quarters.

It was added to the National Register of Historic Places in 1985.