This project consisted of two large towers connected by a common area "link". River Tides at Greystone encompasses 9 stories and nearly 420,000 square feet. River Tides is a $60 million, 330-unit full-service luxury rental building with market-leading design and amenities overlooking the Hudson River and the Palisades, with its own private walkway to the Greystone Metro-North Train Sation.