For a more relaxed and updated look, consider a tankini or skirtini.
Tankini styles can have short bottoms or brief bottoms.
Wear these types of swim shorts directly over your one-piece suit or as a stand-alone piece if you are wearing a bikini or a tankini top.
Wear skirted swim shorts over full one-piece suits or separately with tankini or bikini tops, as they do have their own panty lining.
For instance, if you were looking for a tankini and found a skirtini at half the price, then in order to save a few dollars, you may want to buy the latter.