9 Black Rock Rd Muttontown, NY, 11545 Very Large Home Situated On 4.77 Beautiful And Private Acres In Muttontown. The Southern Exposure Provides Abundant Natural Light And Expansive Views Through Walls Of Glass.Gourmet Kitchen , Huge Dining Room Dining And Great Room. 1st Floor Master Suite, 4 Fireplaces,Custom Woodwork,Pool House,Private Horse Trail And Generator.