Webif you only have 3 days to spend in galveston, we’ve narrowed down the top places you should check out to get the best experience of your time here. From beaches to history and culture, plan your blissful getaway today. Webover the course of three days in galveston, you’ll get to know the island’s meandering trails, spend hours spotting exotic birdlife, and bask in the warm waters of the gulf of.