Welcome to a one-of-a-kind, custom built luxury residence in the prestigious Smithtown Pines, nestled within the desirable Hauppauge School District. Boasting 5,735 sq ft of impeccably crafted living space, this custom home is a true masterpiece of design, comfort, and functionality. Step inside to discover a grand foyer with soaring ceilings, a massive great room with cathedral ceilings and a wood-burning fireplace, a formal dining room, a private home office, and a separate game room with a built-in bar—perfect for entertaining. The chef's kitchen is a culinary dream, outfitted with Wolf & Sub-Zero appliances, custom cabinetry and high-end finishes throughout. The finished basement offers an expansive private in-law suite, a movie theater and abundant storage with a separate entrance. Outdoors, enjoy a resort-style backyard which features a heated in-ground pool, a pool house with an outdoor bathroom, an outdoor kitchen with built-in BBQ, gazebo with a mounted TV, a multi-sport sports court and a fenced yard for privacy and safety. This outdoor oasis is perfect for vacationing at home or entertaining guests all year long. Back inside to retreat to the massive primary suite, featuring a spa-inspired bathroom and a 250 sq ft walk-in closet that dreams are made of. 10 Colonial Drive is not only an exceptional home, but it's a lifestyle. Live, work and play in high-end comfort. Additional Parcel Included (Tax ID: 0800-151-00-03-00-002-002)