On the third day, take a day trip to Lang Co Beach, which is located just a short distance from Thuan An Beach. Lang Co Beach is known for its picturesque scenery, with its turquoise waters and lush green mountains. Spend the day relaxing on the beach, swimming, or exploring the nearby fishing villages. Don't forget to try some local seafood delicacies at one of the beachside restaurants. In the evening, head back to Thuan An Beach and enjoy a peaceful sunset.