More on Dangers of Snorkeling
The worst type of accident reported practically every year as occuring in snorkeling or scuba diving is when a person gets hit by a boat.
If you are a captain, do not forget to count the number of persons every time before you start your ship's or boat's engine.
If you are a snorkeler or a scuba diver, take care not even to approach a vessel with a running engine. Do not float in the sea hanging with the boat or holding its anchor string. Don't dive or snorkel in places where there are scooters and speedboats.
Putting on life jacket is a good idea. If caught by a current you may get get quickly tired and worn out. Life jackets saved many lives in the emergency situations.