At College Park Marriott Hotel & Conference Center, you'll be within a 15-minute drive of Walter E. Washington Convention Center and Smithsonian Institution. Guests can visit the 24-hour fitness center for a workout or grab a bite to eat at The Common, which serves American cuisine and is open for breakfast, lunch, and dinner. Other features include a bar/lounge, a snack bar/deli, and a garden. Fellow travelers love the helpful staff.