Rare 18acre estate in sought-after Southborough offering privacy, elegance & possibility. Stately brick residence on 6 landscaped acres plus addl 12-acre parcel ideal for equestrian, farm or retreat. Resort-style living features heated saltwater pool w/spa, vaulted pool house w/cabana bath, full outdoor station (grill station pizza oven), stone patios & poolside outdoor shower. Light-filled interior showcases custom millwork, oversized windows & inviting flr plan. Gracious LR w/picture window opens to DR. Great rm w/soaring ceilings, stone FP & walls of glass overlooking patio. Four-season sunrm offers casual dining & outdoor access. Flexible layout served by 5-BR septic: 1st-flr primary suite w/vaulted ceiling & spa-like bath, plus addl ensuite BR on 1st flr or office. New mudroom on 1st flr. Upstairs offers 3 BRs, a full bath & fam rm/den. 3-car garage, custom stonework & refined finishes complete this exceptional property. Convenient to Boston, Worcester & top-ranked schools.