Crowning the Longview building, Unit 603 offers 1,802 SF of refined top-floor living with sweeping views of the Charles River, Harvard athletic fields, and beyond. This elegant 3-bedroom, 2-bath home features a gracious layout with two spacious bedrooms in a private wing and a third that is ideal as an office or guest suite. The living room with fireplace flows into a formal dining room, while a handsome library with a second fireplace adds character. The kitchen connects to a generous walk-in pantry, enhancing both storage and functionality. Rare central A/C, 8'5" ceilings, and period architectural detailing elevate the space. The building is 100% owner-occupied and professionally managed, with 2 live-in superintendents. A landscaped and fenced common garden offers additional outdoor space. Unit 603 combines top-floor privacy with timeless architecture and rare amenities in one of Cambridge's most sought-after neighborhoods. The subway connecting to MIT, MGH + Boston just a block away