Breathtaking designed custom residence in the heart of one of Bethesda's most sought- after neighborhoods MERRIMACK PARK. This spacious 6 Bedroom, 5 Bathroom, 2 Half Bath residence offers over 7200 square feet of impeccable living space. The front porch starts your tour of the custom floor plan built by award-winning Castlewood Builders. The first floor consists of an inviting foyer, elegant formal living room and dining room with butlers pantry, library/office with french doors and mahogany bookcases. There are french doors leading to the backyard oasis, complete with flagstone and concrete patios. The custom free form heated swimming pool has a waterfall feature, overflowing spa, and custom ambiance lighting that creates the epitome of resort style living. The large family room offers coffered ceilings, a stone fireplace and a bright chefs dream gourmet kitchen. The beautiful table space kitchen includes High End Stainless Steel Appliance Package inclusive of two dishwashers, Subzero custom built-in refrigerator with water filtration, 6 + gas Wolf Range with a double oven, built in combination oven/microwave. The white cabinetry is ceiling height and accented with dark cabinetry for the center island and blended with important marble countertops, a cast iron farm sink, and the gray subway tile backsplash finishes the decor. Expectations such as two separate staircases lead to the second floor where an expansive owners suite is located. The french doors lead to this private retreat complete with custom built-in cabinetry, a zen owners spa-inspired bath, glass enclosed shower, custom tiles, jacuzzi, multiple vanities, marble counters, wet bar and three oversized walk-in closets with custom built-in shelves and drawers. Relax on the upper deck while overlooking resort style backyard. There are two additional spacious bedrooms with custom nooks and ensuite baths. The third and fourth bedrooms share a Jack and Jill Bath with private tub, oversized vanity and custom stone tile. The lower level has a private guest suite and a full bath. There is a large recreation room, fitness center, and a second large kitchen with elegant cherry cabinets. Private Home Theatre with tiered risers, stadium seating and surround sound., this high-tech home is complete with an indoor fire sprinkler system, multipoint Sonos with built-in ceiling speakers. Located inside the beltway, this community offers easy access to commuter routes such as I495, I270 and downtown D.C. Enjoy the vibrant lifestyle of downtown Bethesda including a variety of restaurants, shops, paths and parks. Whitman School Cluster.