Rare Waterfront Gem! Historic Italianate Colonial with guest house on beautiful Lake Mahopac with stunning year-round views. This water lover's paradise boasts 175-ft of deep-water access, 20 ft. shallow beach area, electric boat lift, fishing dock and cantilevered main dock, plus 160-ft of organic gardens, large side yard, covered porch and wrap around deck. Once owned by Henry Bergh (founder of the ASPCA), the main house has been completely restored to preserve its Victorian heritage while integrating modern technologies for comfort, optimal efficiency & environmental sustainability. Highlights include new kitchen with panoramic lake views, updated baths, refinished original floors, elegant formal rooms, primary bedroom with en- suite bath & office/nursery, lower level family room & effortless access to outdoor spaces. Newly renovated guest house offers bedroom, full bath, summer kitchen & 1 car garage. Gated electronic entry, geothermal HVAC, new 50-yr. roof, Trex decking & more.