Today 11901, Riverhead NY is count around 32 homes for sale at current average listing price of $705,506. Nearby neighborhoods of 11901 are Glenwood Village, Duck Pond Estates, Saddle Lakes, Sunken Pond Estates, Sunken Ponds, Willow Ponds On Sound. Most of 11901 homes are 3 bedrooms with 2 bathrooms.