Repellent and Mosquito “plaquitas” (in Google, just type “plaquitas mosquitos”. YES, in Costa Rica, ALL around Costa Rica we do have mosquitoes. Try to buy the repellent in Costa Rica, is stronger. Also, for your hotel room, we do have a special electric item, is an electric burner with an insert, in Spanish is “plaquitas”, that works perfectly, and you buy it in every supermarket.