The present invention provides a sink enclosure for bathing pets that provides a safe environment for such bathing. The sink enclosure is composed of a number of vertical posts which support a heavy duty vinyl panel that extends around the sink and withstand water flow, spray, and pet nail penetration. An adjustable front access panel allows the pet owner easy access to the pet within the enclosure. The sink enclosure provides a water barrier and pet restraint. The invention adapts to any size sinks and configuration, and is highly durable and adds a high level of safety for both the animal and the bather. The enclosure is easy and fast to put up and take down, usually within a few minutes.