A nucleating beverage container, system, and method, for effervescent beverages, incorporating nucleating features or sites at different elevations about a cavity of the container, configured to cooperate to generate an enhanced amount of smaller bubbles that will rise within and accumulate on the surface of the beverage as a collar or head, designable to do so without reducing the carbonation of the beverage so as to degrade taste or go flat within a prescribed time, and which can limit thermal convection of the beverage within a lower region of the container, to reduce warming and degradation of quality of the last to be consumed portion of the beverage.
