On your second day, venture into the natural beauty of Vinh Dam National Park. This park is known for its diverse flora and fauna, making it a paradise for nature lovers. Start your day with a hike through the park's lush trails, surrounded by towering trees and the sounds of chirping birds. Keep an eye out for unique plant species and if you're lucky, you might spot some wildlife like monkeys and colorful birds. After the hike, take a break and have a picnic amidst the serene surroundings of the park. Enjoy the tranquility and soak in the peaceful atmosphere. If you're feeling adventurous, you can also opt for activities like kayaking or cycling around the park. In the evening, head back to Vinh Dam Port and treat yourself to a seafood dinner at one of the local restaurants. Savor the flavors of the ocean and indulge in some more delicious Vietnamese cuisine.