Working in marine environments is not just for the scientists. If you have a passion for marine and adventure, a career as an ecotourism leader in coral reefs might be exactly what you're looking for.
There are many companies around the world who employ people with a knowledge of marine animals and environments to lead tourists on snorkelling and scuba-diving tours. Some courses that might help you improve your chances of working in this field include:
Marine Studies I
Certificate in Marine Studies
Ecotourism Tour Guide
Adventure Tourism