Welcome to 230 Northside Drive, a completely redesigned and reimagined home set on a beautifully manicured .99+/- acre in the Hamlet of Sag Harbor. Upon entering this light and bright 4 bedroom, 4 bathroom home, you are immediately drawn into the new open-concept custom kitchen with a large waterfall stone center island with seating, all new stainless steel appliances, and a farm-style sink. Adjoining the fabulous kitchen is a generously sized dining area surrounded by 3 sides of casement windows and 3 large skylights. Tons of natural light fills this space and beyond into the cozy family room offering soaring 14-foot cathedral ceilings, a custom stone wood-burning fireplace, and a French door egress to the backyard deck. There is also a formal dining room and living room that complete the entertaining spaces of this home. The en-suite primary bedroom is on the first floor with a crisp new bathroom with double vanity sinks, a large soaking tub, a glass shower, and exquisite stone flooring. The first floor is completed by an additional new full bathroom, laundry, and storage areas. The second floor has an en-suite junior primary bedroom with a new bath and 2 additional guest bedrooms that share a new large bathroom with double sink vanity. The property is surrounded by many specimen trees and shrubs that easily accommodate the spacious rear yard deck and seating area that covers the 20'x40' heated in-ground pool and lawn area. This outside area is perfectly designed for year-round use. The basement has high ceilings and can be finished off. There are many new additions and recent improvements to the home, including a new roof in 2020, new skylights, all new baths, new moldings, new Belgium block and gravel driveway and walls, new bluestone walkways, newly renovated interior pool design with new equipment and fountains, new fencing, shed, new 15 zone irrigation system with Smarthome technology and a Nest system. Room for garage. Located in the exclusive community of Northside Hills, this home is conveniently situated between the Villages of Sag Harbor, Bridgehampton, Water Mill, and Southampton.