The Caleb Bragg Estate, in the unincorporated village of Montauk, New York, was built in 1929. It was designed by Walker & Gillette. It was listed on the National Register of Historic Places in 1987.In 1987, the estate included seven contributing buildings, one other contributing structure, and one contributing site.It is a 4.2acre estate on Star Island in Lake Montauk. Walker and Gillette were the architects.