Westin Hotels & Resorts, part of Marriott Bonvoy’s portfolio of over 30 extraordinary hotel brands, today unveils its latest offering in Washington, DC – Westin Washington, DC Downtown. After a nearly $80 million investment by ownership group, Sunstone Hotel Investors, the 807-room hotel will offer a sophisticated and contemporary blend of well-being experiences, designed for guests to feel inspired, to rejuvenate, and to maintain their wellness routines while on the road.