A spa comprising: a housing defining an interior chamber for containing a volume of water, the chamber having an open upper end; a cover positionable over the housing for covering at least a portion of the open upper end; a first lift assembly operable to selectively remove and replace the cover over the open upper end of the housing, the first lift assembly having: a lever arm having a first portion coupled to the spa cover, and a first end pivotably coupled to a sidewall of the housing for rotation of the lever arm between a closed position in which the spa cover rests on the upper end of the spa, and an open position in which the spa cover is displaced from the upper end of the spa and a resilient spring positioned inside the housing behind the sidewall, the spring having a first end drivingly coupled to the lever arm so that in the open position of the lever arm, the spring urges the lever arm to rotate toward the closed position, wherein in the closed position of the lever arm, the spring urges the lever arm to rotate toward the open position, wherein a driving member is positioned inside the housing behind the sidewall, wherein the driving member is coupled to the first end of the lever arm for rotation with the lever arm, and the first end of the spring is pivotally coupled to the driving member, characterized in that the first lift assembly further includes a motor drivingly coupled to the lever arm and operable to automatically move the lever arm between the open and closed positions, and wherein the driving member is a sprocket; the first lift assembly further includes a chain drivingly coupled to the sprocket; and the motor is drivingly coupled to the chain. a housing defining an interior chamber for containing a volume of water, the chamber having an open upper end; a cover positionable over the housing for covering at least a portion of the open upper end; a first lift assembly operable to selectively remove and replace the cover over the open upper end of the housing, the first lift assembly having: a lever arm having a first portion coupled to the spa cover, and a first end pivotably coupled to a sidewall of the housing for rotation of the lever arm between a closed position in which the spa cover rests on the upper end of the spa, and an open position in which the spa cover is displaced from the upper end of the spa and a resilient spring positioned inside the housing behind the sidewall, the spring having a first end drivingly coupled to the lever arm so that in the open position of the lever arm, the spring urges the lever arm to rotate toward the closed position, wherein in the closed position of the lever arm, the spring urges the lever arm to rotate toward the open position, wherein a driving member is positioned inside the housing behind the sidewall, wherein the driving member is coupled to the first end of the lever arm for rotation with the lever arm, and the first end of the spring is pivotally coupled to the driving member, characterized in that the first lift assembly further includes a motor drivingly coupled to the lever arm and operable to automatically move the lever arm between the open and closed positions, and wherein the driving member is a sprocket; the first lift assembly further includes a chain drivingly coupled to the sprocket; and the motor is drivingly coupled to the chain. a lever arm having a first portion coupled to the spa cover, and a first end pivotably coupled to a sidewall of the housing for rotation of the lever arm between a closed position in which the spa cover rests on the upper end of the spa, and an open position in which the spa cover is displaced from the upper end of the spa and a resilient spring positioned inside the housing behind the sidewall, the spring having a first end drivingly coupled to the lever arm so that in the open position of the lever arm, the spring urges the lever arm to rotate toward the closed position, wherein in the closed position of the lever arm, the spring urges the lever arm to rotate toward the open position, wherein a driving member is positioned inside the housing behind the sidewall, wherein the driving member is coupled to the first end of the lever arm for rotation with the lever arm, and the first end of the spring is pivotally coupled to the driving member, characterized in that the first lift assembly further includes a motor drivingly coupled to the lever arm and operable to automatically move the lever arm between the open and closed positions, and wherein the driving member is a sprocket; the first lift assembly further includes a chain drivingly coupled to the sprocket; and the motor is drivingly coupled to the chain.