Comfortable Accommodations Otis 3304 Main in Mount Rainier offers a guest house with two bedrooms, one bathroom, and a spacious living room. The property includes a fully equipped kitchen and a comfortable seating area. Convenient Location Located 4.3 mi from Walter E Washington Convention Center and Washington Union Station, the guest house is also 5.6 mi from The National Mall and Smithsonian National Air and Space Museum. Ronald Reagan Washington National Airport is 11 mi away. Local Attractions Guests can explore Ford's Theater, Capital One Arena, and Theodore Roosevelt Island Park, all within 7.5 mi. The Washington Monument and Vietnam Veterans Memorial are 6.2 mi from the property.