Welcome to 90 Roses Grove Road, a thoughtfully designed residence that blends timeless architecture with modern luxury in one of Southampton's most convenient locations. Designed by Nicholsen Architecture + Design and expertly built by Kelly Development, this exceptional home sits on approximately 0.45± acres and offers 3,293± square feet of beautifully finished living space with 4 bedrooms, 4 full bathrooms, 1 half bathroom, and home office. Thoughtful craftsmanship is evident throughout the home's exterior, featuring James Hardie board-and-batten siding, Andersen 400 Series windows and doors, Tamko roofing, and an attached two-car garage complete with an electric vehicle charging station. Outdoors, a newly installed heated gunite pool and covered rear porch create an ideal setting for relaxing or entertaining. Inside, approximately 1,631± square feet of first-floor living space is centered around a dramatic double-height great room with a gas fireplace and seamless access to the covered porch and backyard. The adjoining chef's kitchen is appointed with premium Thermador appliances, Silestone countertops, a large center island with bar seating and prep sink, and a fully equipped butler's pantry that enhances both everyday living and entertaining. The first-floor primary suite serves as a private retreat, complete with dual walk-in closets and a luxurious spa-inspired bathroom featuring double vanities, a soaking tub, and an oversized glass-enclosed shower. A formal dining room, mudroom, and powder room complete the main level. The second floor offers three generously sized en-suite bedrooms, each featuring oversized walk-in closets, along with a dedicated home office and a spacious laundry room designed for everyday convenience. The expansive unfinished lower level offers outstanding flexibility to customize the home to your lifestyle. With approved plans containing a bedroom, full bath, gym with sauna, and large living room, the space provides endless opportunities to expand and personalize the residence. Perfectly positioned between Southampton, Sag Harbor, Water Mill, and Bridgehampton Villages, the property provides effortless access to world-renowned ocean and bay beaches, acclaimed restaurants, boutique shopping, art galleries, and local attractions, including the Elizabeth A. Morton National Wildlife Refuge just 2.9± miles away. Offering exceptional craftsmanship, modern amenities, and an unbeatable Southampton location, 90 Roses Grove Road presents a rare opportunity to enjoy luxury living in a home designed for both comfort and sophistication.