If you fly the small island hoppers in the Pacific, each passenger is weighed with baggage before being allowed to board.
An island hopper service links Inverness - Stornoway - Benbecula, and Inverness - Shetland.
Most Caribbean airlines offer an island-hopper ticket which will save you money if you are planning to make two or more local flights.
It is increasingly difficult to categorise the "typical" island hopper. The activity has moved on from the days of the stereotypical unwashed backpacker.