149 Grassy Pond Drive S is a 3-bedroom, 3-bath single-family home for sale in Smithtown NY 11787. On Prevu for 79 days at $749,000. This includes a recent price decrease of $16,000. This home features 1,891 square feet of living space, located in Smithtown. The median listing price for single-family homes in this area is $849,000. Nearby schools include Pines Elementary School, Hauppauge Middle School, and Hauppauge High School. Additional amenities include dishwasher, parking, and washer/dryer. View other single-family home listings in Suffolk County.