Many of the known bars in Costa Rica serve a good variety of beers and cocktails. However, local drinks are by far the most popular and the cheapest.
In Costa Rica is require to be 18 years old to be able to drink at a bar. Costa Ricans love to drink but they don't like drunks. Always remember, to respect the country and tip the waitress.
The most popular beers in Costa Rica are Imperial and Pilsen, they both are quite good. Imperial is national beer and is easily distinguished by the black eagle on the label. Bavaria is Costa Rica's version of a darker, full bodied, beer. Imported beers are available in most bars. Beers in Costa Rica are anywhere from $2.00 USD, any how in the upscale bars; and in any tourist hotel they will coast you $5.00 USD for the nationals and up to $10.00 USD for imported beers.
The law in Costa Rica has changed recently and the penalty for driving drunk can be up to $400.00 USD. Please respect the law and if you are driving don't drink have someone else drive for you.