Abstract: Concepts and technologies are described herein for beverage containment and thermal maintenance. Functionality can be provided for configuring a cooler to support insertion and containment of a bladder for containing a liquid such as a beverage. The cooler may be used to maintain desired thermal characteristics of the liquid. A tap on the bladder may extend to the outside of the cooler through an adjustable tap port within a wall of the cooler. An opening within the port may be adjustable in size and shape to support the insertion and securing of various sized taps. A reusable bladder may be refilled and the bladder membrane may be replaced while reusing the tap mechanism. Removing the tap may also support inserting a commercially filled second bladder into the bladder while allowing the second bladder's tap to extend through the tap hole within the first bladder.