345 7th Avenue

At sub800, we curate exceptional workspaces tailored to embody the essence of any business. We offer workspaces of all sizes across different neighbourhoods, with secure terms and simple pricing. We provide a seamless experience, from helping find your ideal workspace, signing the contract with support from our in-house legal team to the delivery of our world-class Partnership Services.

Located in the heart of Chelsea, this newly renovated building features a modern expanded lobby, four passenger and three freight elevators, and a stylish tenant amenity center with access to an extra conference room. Perched atop it all, the 25th floor penthouse is a breathtaking corner suite with windows on three sides and absolutely stunning views. Freshly gutted and ready for a custom build, it’s a rare blank canvas in the sky—offering the chance to create a one-of-a-kind workspace with unforgettable vistas in one of Manhattan’s most iconic neighborhoods.