Dinh Co Temple is a must-visit attraction in Long Hai Beach. This ancient temple is dedicated to the Goddess Thien Hau, who is believed to protect fishermen and sailors. The temple is beautifully decorated with intricate carvings and colorful statues. Visitors can explore the temple grounds, light incense sticks, and make wishes. The temple is located on a hill, offering panoramic views of the beach and the surrounding area. It's a great place to immerse yourself in the local culture and enjoy the peaceful ambiance.