Credit: Eitan Gamliely for Sotheby’s International Realty

Property of the Week: Sohmer Piano Building's 5,000-sq-ft penthouse is up for grabs.

Credit: Eitan Gamliely for Sotheby’s International Realty

Located on 170 Fifth Avenue, the inimitable Robert Maynicke-designed building immediately captures the eye with its golden octagonal cupola – a feature that is exclusively included in the four-bedroom penthouse’s footprint.

Credit: Eitan Gamliely for Sotheby’s International Realty

An expansive corner primary bedroom comes complete with an enormous walk-in closet and elaborate cornice moldings.

Credit: Eitan Gamliely for Sotheby’s International Realty

The penthouse's main bathroom has an en-suite bathroom with a freestanding soaking bathtub.

Credit: Eitan Gamliely for Sotheby’s International Realty

Unconventionally, the penthouse’s main living areas are found on the second floor, maximizing those excellent views.

Credit: Eitan Gamliely for Sotheby’s International Realty

The second story features an impressive foyer area, an eat-in kitchen with all the latest appliances, a separate gym with an adjoining bathroom and a formal dining room.

Credit: Eitan Gamliely for Sotheby’s International Realty

The open-plan design allows each space to flow seamlessly, encouraging effortless mingling (the apartment was all but designed for hosting).

Credit: Eitan Gamliely for Sotheby’s International Realty

Recently renovated, the entire penthouse exudes a sense of modern luxury, while still honoring its Beaux-Arts origins. The refurbishment saw the apartment benefit from a slick white color scheme with subtle yet decisive pops of gold, gray, silver and black.

Credit: Eitan Gamliely for Sotheby’s International Realty

Accessed via the second floor, the octagonal cupola offers 360-degree city views.