The main home is the largest of the three buildings on the estate and contains 27,155 square feet of building area on two floors, plus a basement. The building is several hundered feet long and is sited along the contour of the hilltop with seasonal views of Kingston Bay. The original section of the home dates to 1900 and is a shingle-style estate home. 

In 1985, a special permit was issued allowing for the expansion and renovation of the property including an extension of approximately 10, 000 square feet containing  an elevator, 30 bedrooms, all with en-suite bathrooms and airconditioning, as well as a conference rooms, and a dining room. 

The original portion of the building retains much of its original period detail. The main entrance consists of a two-story entry hall with a staircase that has an ironwork balustrade and wooden handrail. The walls in the living room consist of dark-stained, floor-to-ceiling English oak paneling. The original dining room, now administrative offices, has a beamed ceiling and fireplace with decorative tiles. The original ballrooom, now a chapel, has a tile floor, beamed ceiling, fireplace, and a large colored glass window. The second floor contains seven additional bedrooms with en-suite bathrooms.and conference rooms.