The Hel Peninsula is a narrow strip of land located in northern Poland, extending into the Baltic Sea. It separates the Bay of Puck from the open sea and is approximately 35 kilometers long. The peninsula is known for its beautiful sandy beaches, diverse ecosystems, and charming fishing villages, making it a popular destination for tourists. The area is part of the Hel Marine Station, which conducts research on marine life and ecosystems. The peninsula is also home to the Hel Lighthouse, a historic structure that offers panoramic views of the surrounding waters. Visitors can enjoy various outdoor activities, including hiking, cycling, and water sports.