A beverage maker may include a tank in which a fluid, such as water may be stored, a tank case in which the tank may be separably accommodated, a lower rib that protrudes downward from a bottom surface of the tank, and at least one guide rib that protrudes upward from an inner bottom surface of the tank case. The at least one guide rib may be disposed radially outside of the lower rib. An upper end of the at least one guide rib may be inclined in a direction in which the at least one guide rib decreases in height toward an inside thereof.