Prime location on the first block and sunny side of Marlborough Street, this exceptional 2016-built elevator townhouse blends contemporary luxury with timeless Back Bay elegance. Spanning approximately 7,000 square feet across seven levels, the home offers four plus bedrooms, four full baths, and four half baths, with a thoughtfully designed layout ideal for entertaining and everyday living. Meticulous architectural detailing includes intricate crown moldings, multiple gas fireplaces, and rich dark hardwood floors throughout, while several rooms capture sweeping views of Boston''s skyline. The residence features a dramatic entry foyer, formal living room, custom-built study/library with private patio, and a white marble chef''s kitchen appointed with top-tier appliances. An expansive entertainment level with kitchenette opens to a private roof deck, complemented by an au-pair suite, home gym, and rare garage parking for three cars plus two additional off-street spaces.