This full-day adventure blends colonial charm, lake nature, and volcanic thrill. Explore Granada’s historic center and main cathedral, climb La Merced Church bell tower for panoramic city views, stroll La Calzada street for lunch options. Boat to Las Isletas for Monkey Island, San Pablo fortress, and wildlife photos. End at Masaya Volcano National Park to see glowing lava at Santiago Crater and sunset from the rim.