The condom is the only contraceptive that can protect you from Sexually Transmitted Infections. This is a barrier method, a sheath worn on the penis during sex to prevent semen entering the vagina or anus. Condoms are available free from a number of dispensers located around the Island. To find the nearest dispenser check out this handy map
It is important that you use condoms correctly, in order to prevent breakage.
For the correct way to put on a condom check out the instructions here.
A good way to remember the ways you can keep yourself safe from Sexually Transmitted Infections is to use the Alphabet of protection.