Zhuanglin via Amazon offers its Zhuanglin Men's Quick Drying Aqua Water Shoes in an array of colors (Navy pictured) from $19.99. Coupon code "9IK7AM7G" drops that starting price to $17.99. With free shipping for Prime members, that's at least $2 off and the best price we could find. They're available in select sizes from 7 to 12 14. Deal ends August 13.