Today 11901, Riverhead NY is count around 39 homes for sale at current average listing price of $724,359. Nearby neighborhoods of 11901 are Centerville, Glenwood Village, Sweyze, Saddle Lakes, Bay View Acres, Country Trails, Glenwood Oaks, Sunken Pond Estate. Most of 11901 homes are 3 bedrooms with 2 bathrooms.