Blue Lagoon Island All-Inclusive Beach Day from Nassau. Relax on a day trip Blue Lagoon Island during this all-inclusive beach day from Nassau. Board a boat at Paradise Island for the short cruise through Nassau's harbor to your destination, also known as Salt Cay. Lounge on the beach, swim in the aqua Caribbean waters or have fun in the games area. Visit the marine park to view sea lions and dolphins, then grab a grilled lunch with iced tea, lemonade or fruit punch. Book with us and Save 18% Off Blue Lagoon Island All-Inclusive Beach Day from Nassau.