A modular booth structure is provided which is particularly useful in merchandising of food and drink items. The booth comprises a free-standing base portion comprising a plurality of vertical panels arranged to form a rectangular enclosure, a door in one of the panels, a plurality of cabinet units disposed within the enclosure and against the panels, with each of the cabinet units having a substantially planar top surface forming a countertop within the enclosure. The base includes a first plumbing system comprising a sink, a supply of water for the sink, a heater unit for heating water delivered to the sink, means for delivering water to the sink, and a holding tank for collecting water discharged from the sink. A second plumbing system is also provided which comprises a supply of water for a beverage dispenser, a supply of carbon dioxide for a beverage dispenser, and means for delivering water to the beverage dispenser. A cover portion is also provided comprising a plurality of pipes joined together by angled brackets to form a lattice structure. The cover portion has a vertical component which is attached to the panels of the base, a horizontal top, and an angled component joining the vertical component to the top. A plurality of transparent panels are disposed coplanar to the vertical component of the cover portion and a plurality of awnings cover the angled component, whereby a self-contained, decorative merchandising booth is obtained for the sale of food and drink items.