If you need to buy wine for a party the best idea is to be contacted with some wholesaler or distributor that he can offer him discounts for wine in quantity.
If the idea is to only acquire some bottles , then the one supermarket it can be an option.
But if this looking for that wine for one special occasion or that mature wine to keep in their small cellar , without a doubt one vinoteca it is the elected place to buy it.
In the vinoteca you will find personal that can advise him as for guard's time, consumption temperature, with which to accompany him; but at the same time knows that the wine has been very care, that is to say, didn't suffer abrupt changes of temperatures, rests in a place with controlled humidity, it is not exposed to strong focuses of light or any other factor that it can alter it.