Sea lettuce is perhaps the most appetizing of the seaweed plants you can find on the beach, as it resembles common curly lettuce leaves. It is a green algae that grows on shallow water. Sea lettuce, like many other seaweed, can be eaten and has a very high protein content and correspondingly low fat content.

Did you know that:

People try to use sea lettuce as part of wastewater treatment and in biogas production.