Manuel Antonio National Park in Costa Rica is a world-renowned biodiversity hotspot offering stunning beaches, lush rainforest trails, and abundant wildlife. Accessibility is generally good, with some paved or boardwalk paths, though certain trails may be uneven; expect significant walking. While solo visits are possible, guided tours are highly recommended for optimal wildlife spotting (sloths, monkeys, birds) as knowledgeable guides can locate animals and provide telescopes, significantly enhancing the experience. The park is open year-round, typically from 7 AM to 4 PM, but usually closed on Tuesdays (confirm current schedule) ON CONFLICT (id) DO NOTHING; the dry season (Dec-Apr) offers ideal weather but higher crowds, while the rainy season (May-Nov) brings fewer visitors and vibrant flora. The approximate cost for international visitors is around $18 USD for entry, plus potential parking fees ($5-$10) and optional guided tour costs ($30-$60+ USD). A typical visit duration ranges from 3 to 5 hours, allowing time for hiking, wildlife observation, and beach relaxation. It's highly advisable to purchase tickets online in advance due to daily capacity limits, and visitors should bring water, sunscreen, insect repellent, binoculars, swimwear, and a camera, while adhering to strict rules against feeding animals and bringing single-use plastics or outside food beyond designated areas.