The quirk-slash-perk of this convertible 3BR apartment (one of the "bedrooms" is currently a home office/guest room with a Murphy bed) isn't actually in the apartment. It's just out back, and takes the form of a four-hole putting green amidst the 3,000-square-foot outdoor space. (Even the Whitman penthouse offers only a two-hole putting green.) The rest of the outdoor space has features to recommend it to non-golfers too, including a grill, dining area, and kids' play area. As for the interiors, take a look at the photos and floorplan below. The apartment is asking $4.995 million, but maybe there's money to be made back in hosting golf tournaments.
And here's the floorplan: