Newly built and beautifully enhanced with approx. $300K in upgrades since purchase, 1665 Glenn Road offers a turnkey North Fork retreat with thoughtful upgrades, elevated finishes, and exceptional indoor-outdoor living. Set on a .52-acre lot in Southold, this 4-bedroom, 4.5-bath home spans approximately 3,248 square feet and features a desirable layout with a first-floor ensuite primary bedroom and three second-floor ensuite guest rooms. The interior is designed for both comfort and entertaining, with a two-sided gas fireplace, quartz kitchen countertops, Bosch and XO appliances, dimmer lighting throughout, electric shades in key living areas, ceiling fans in all bedrooms, and a first-floor laundry room. Home includes 7 built-in TVs, a 98-inch Sony screen and home theater with blackout shades, creating an impressive entertainment space. Since purchasing, the owner has elevated the property, including full front and rear landscaping, new lawns, extensive plantings, 73 trees, a new front walkway and steps, a rear sprinkler system, outdoor accent lighting, and a limestone patio surrounding the pool. The exterior is anchored by an 18x36 gated heated saltwater pool with a 500-gallon inground propane tank for the pool heater, a rear porch, dog run, retaining wall, and roof deck with water views. Additional features include a Sonos music system inside and out, alarm system, 2-car attached garage with shelving, additional refrigerator, and electric car hookup. Ideally located in Southold, this move-in-ready home combines new construction ease with substantial post-purchase improvements already completed.