If you are thinking about buying a bike to cruise down the oceanside with, check out this clip first. Make sure you fit on you bike properly to really get the whole experience.
In this clip, Dusty, Ryan and Roman from Beachbikes.com explain the sizing of beach cruiser bikes. Roman stands 6'4" and Ryan 5'7", we see how they fit on two different sized beach cruisers. They explain how certain cruiser bicycle frames are better for taller men and vice versa.