Water is way cheaper at One Mart and we order 48 gallons for two weeks. We have also enjoyed their people. We use Riteway for produce and a wider selection for main groceries (we go there to shop, not provision), and my wife likes the Love City seltzers that are only at Caribbean Cellars. When we have provisioned everything in the past, we chose Riteway because their selection is better and the site is fairly up to date. Have a nice trip!