>>111616>You'll likely be snorkeling in clear warm water but get yourself at least a 1/8" wetsuit. This will protect you from pretty much any jellyfish sting.To add to this, they also sell dive skins, which are significantly cheaper than wetsuits and thinner too. They will protect from jellyfish stings, though not quite as well as a full wetsuit, but are much more comfortable and won't make you warm (if that's an issue for you.) The pricier dive skins will protect just as well as a wetsuit, be much more comfortable and also come in tacticool underwater camo but they cost as much as an actual wetsuit, sometimes more.
You want to make sure you get your dive skin tight enough, otherwise you can have billowing issues as this anon described. For very thin people this can sometimes be an issue; for those either use a wetsuit or upgrade to a better diveskin.
It's difficult to see the difference from a wetsuit in this pic, but it's a diveskin. I'm wearing shorts for extra protection over my junk and also so boats can see me easier; if you're not going to be spearfishing I would recommend vibrant colors for a wetsuit/diveskin, but many places don't sell anything but black and blue (dunno why.)