The best replacement for swim shorts is board shorts.

The best alternatives to swim shorts are rated as following:
★★★★★  board shorts
★★★★  swim trunks
★  regular shorts

Your alternative for swim shorts is not listed? Suggest!
Speaking about swim shorts, one probably shouldn't forget about tankini.

Other search terms related to swim shorts and their ratings are:
★★★★★ tankini
★★★ bikini top
You have in mind a companion for swim shorts and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of swim shorts in all years. Click on graph for more.
swim shorts
board shorts
swim trunks