On the second day, immerse yourself in the natural beauty of Hermana Mayor Island. Start your day with a hike to the island's highest point, where you can enjoy panoramic views of the surrounding landscape. The island is home to diverse flora and fauna, so keep an eye out for unique plant species and birdlife along the way. After the hike, head to one of the island's secluded coves for some snorkeling or scuba diving. Explore the vibrant underwater world, filled with colorful coral reefs and tropical fish. In the evening, take a sunset boat tour around the island to witness the breathtaking beauty of the coastline.