Simplify the following text for a Grade 8 native English-speaking person.
Original: Between the DarÃ and the mainland there is a very shallow lagoon , which is a part of the Western Pomerania Lagoon Area National Park , just as the entire peninsula itself .
Simplified: Between the DarÃ and the mainland there is a very shallow lagoon . the lagoon and the peninsula are part of the Western Pomerania Lagoon Area National Park .