SureShade Pontoon Power Bimini Top For an automatic bimini top option, check out the SureShade Power Bimini Top. This fully automatic cover is a great addition to any pontoon boat and takes bimini tops to another level. There is no need for manual adjustments, this pontoon bimini top is easy to use and is activated with just the touch of a button. It is designed to adjust to several different positions to find just the right angle from the sun. The SureShade Pontoon Power Bimini Top is made with