Little Silver. Boxwood Manor sits on a 6.2-acre waterfront lot along a tributary of Shrewsbury River and was built in 1929 for a New York Stock Exchange board member. The seven-bedroom house features an entry with grand staircase, 8-inch-wide hardwood floors, a geothermal heating system, and a master bedroom with a fireplace and a balcony. The property includes a caretaker's cottage with two apartments.