I would probably get a malaria shot at the very least. Ive heard there are some giant buggers down there. Id also ask a doc and look up stuff on costa rica as well. have fun! wish i could go down there.
was on both sides of the country, Caribbean and Pacific and didn't receive any shots before heading there. I went in December in 05. Not that what i did was right though...you can check cdc.gov for more information.
Been lots also, never got shots. If your a small child, elderly, or prone to get sick . Talk to a doc. Of course docs these days are gonna tell you "get the shot" as it might help pay for a future golf game. I know of one person who got the shots prior and threw up the whole plane ride there, and half the next day. (sometimes the shots make you sick). But she didn't get malaria or dengue! of course the other 6 of us didn't either... nope we surfed and drank rum .
I've been travelling to Costa Rica for 8 years...my wife and I have a condo in Jaco. I have NEVER had any shots and you don't need them. The water is safe to drink in most places, food is good, and vibe is great. If you need any advice on where to go or what to do let me know. This is my second home and is the best place on the planet! Pura Vida Amigo! Oh yea...surf ain't too bad either
Don't think any shots are a must but they have some nasty insects there. My friend was bit on the stomach by some type of spyder while sitting on the beach. Within 24 hrs it got seriously infected and in 48 it looked like the flesh was rotting off. He was treated but was unable to surf due to the open wound and pain. Took almost 3 months before it totally cleared up. Nasty !