Occupying the uppermost levels of 155 Merchant's Wharf, the Sky Penthouse is AquaLuna's masterpiece. An exceptional residence spanning 4,871 sqft across 2 levels with 5 private terraces (1,683 sqft of outdoor space) and sweeping northeast, southeast, southwest and northwest exposures. This is the only suite on this level. Meticulously composed interior defined by 10-foot ceilings, white oak herringbone flooring, natural stone, custom millwork & sculptural architectural details. A dramatic 2-storey stair hall creates a striking arrival, framed by curved plasterwork, custom-stained wood paneling & integrated lighting. The living room centres around a fireplace & media wall finished in textured Venetian plaster, while the dining room is illuminated by a David Weeks Studio chandelier. The family room offers a warm atmosphere with custom millwork, gas fireplace, limewash finishes & steel-and-glass doors opening to the terraces. The bespoke kitchen pairs stained cabinetry with a curved honed quartzite island, walk-in pantry & complemented by integrated Miele appliances. An expansive guest bedroom with a marble clad ensuite & a designer powder room completes this level. Upstairs, 2 generously appointed bedrooms include an exceptional primary suite with a 2-sided fireplace, Venetian-plaster media wall, adjoining lounge & direct terrace access with private hot tub. The walk-in dressing room leads to a spa-inspired ensuite with a custom infrared sauna, ribbed stone vanity, freestanding tub and dedicated makeup table. A 2nd bedroom also offers sweeping views, a marble-clad ensuite & large walk-in closet, while a dedicated laundry room completes the level. Lutron/Somfy motorized blinds & sheers, integrated lighting & sound provide seamless control throughout. 2 parking spaces & a private locker are included with additional parking available. An exceptionally private residence defined by panoramic lake views, extraordinary scale and Singular architectural presence.