St Lucia Sea Trek Adventure at Pigeon Island. Come face to face with the marvel of marine life as you walk – and breathe – underwater! This 2-hour Sea Trek adventure in St Lucia takes you into the Caribbean waters surrounding Pigeon Island. Your specially designed Sea Trek helmet sits comfortably on your shoulders as you breathe freely underwater from a continuous flow of air. Close to the sensation of walking in space, it’s an experience not to be missed! Enjoy personal attention from your certified guide on this small-group tour, limited to 10 people. Book with us and Save 11% Off St Lucia Sea Trek Adventure at Pigeon Island.