Marriott's Custom House Meeting Rooms & Events Meeting Capacity: 1 meeting rooms holding 30 people Marriott's Custom House Business Services Fax Meeting Room Internet Access (High Speed & Wireless) 3 McKinley SquareBoston, MA 02109View Large Map Phone: +1 617-310-6300Fax: +1 617-310-6301Toll Free: +800-845-5279 Hotel Website Classification 5 Limited Service First Class Commission Rooms Rates 10% 84 - Hoteliers! Is your information accurate? Update Here