Many people choose to get undermount kitchen sinks put into their kitchens and they never regret it while other people do. There are some pros and cons of undermount kitchen sinks and you should go over these carefully before you make your final decision.
One of the benefits of undermount kitchen sinks is that they can give you a fair bit more counter space. If you already have a small counter this may be the solution you have been looking for. Unlike the self-rimming sink there will be no added rim on the top of the counter. This is because undermount kitchen sinks are mounted under the counter, thus the name.