As long as you do your research and hire a professional to install your kitchen island, then there won't be any problems if you choose the right materials. All of these things are usually pretty heavy-duty, though wood remains popular because it's easy to work with while being very strong at the same time. Marble can come in handy as well because of its high resistance to most elements, but glass might not be quite as durable depending on how thick it is and what kind is used for construction.