A modular integrated galley used for food preparation and storage in a passenger vehicle includes a mounting rack defining a plurality of openings or spaces and having a plurality of structural mounting points disposed within the spaces for receiving a plurality of individual galley modules. Each of the galley modules including a generally box-like outer shell having top, bottom, front, rear, and side walls. At least two of the galley modules having a different functional component contained within the outer shell that is selected from the group consisting of a beverage maker, a water dispensing unit, an oven, a refrigerator and a storage compartment. The modular integrated galley further including means for interconnecting adjacent galley modules including an elongate connecting rail defining an outer perimeter having at least two slots formed along the outer perimeter for receiving complimentary ribs on adjacent galley modules.