Hello how may I help you? can you help me with my wedding plans? Yes, I am programmed to help with wedding plans. What is more expensive to have? A beach wedding or a private island wedding? Well, more information is required. Different factors contribute to price. It would be difficult to tell. Like location?\ Yes, that is one factor. However, there are other things, too. How about a beach party in Malibu? Yes, compared to what else? It is impossible to know. A private Island wedding in Hawaii Usually, the prices between venues will be different. A private island is potentially more expensive. However, there could be other things to consider. Thanks for the info