In the downtown National Harbor area, there are multiple parking garages and an 800 space surface lot.Ĭirculator Bus service has stops in downtown National Harbor on St. Absher, corporate vice president for MGM Resorts International and spokesman for MGM National Harbor. “Overall there are 16,000 parking spaces available in the National Harbor development,” said Gordon M.

Here’s what you can expect to see on Dec. After two years of construction and $1.4 billion, MGM National Harbor is ready to open.