On day 3, take a trip to the iconic Ke Ga Lighthouse, which is located about 30 kilometers from Ca Na Beach. The lighthouse stands tall on a small island and offers breathtaking panoramic views of the surrounding coastline. Climb to the top of the lighthouse for a mesmerizing view of the ocean and the picturesque landscape. Afterward, you can relax on the nearby Ke Ga Beach and enjoy a picnic lunch.