Casa Cipriani New York

Casa Cipriani occupies the beautifully restored Battery Maritime Building at the very tip of Manhattan, and the whole place runs on a members-club hush — low light, jazz, harbour breezes, the sense that you've slipped somewhere you're not quite supposed to be. The spa carries that same mood, with a sauna and steam room tucked into a setting that feels more 1930s ocean-liner than 2020s wellness centre. Rooms are dressed in Cipriani's signature old-world glamour, and the water views are genuinely special. It's clubby and exclusive by design, which is either the appeal or the catch depending on your mood. If you want your sauna with a side of harbour, supper, and a velvet-rope atmosphere, this is the most romantic version of it downtown. Spa access can be limited and members-first — confirm availability when you book the room.