When I started planning our trip to Costa Rica, I quickly learned that Manuel Antonio National Park was a must for our Costa Rica itinerary. The city of Manuel Antonio is one of the most popular destinations in the country, but no visit would be complete without visiting the national park–especially for first-time visitors. Visiting Manuel Antonio beach and park is truly one of the best things to do in Costa Rica. Nestled on Costa Rica’s Central Pacific Coast, Manuel Antonio National Park is one of the country’s most beloved natural treasures. Despite being one of the smallest national parks in Costa Rica, it’s arguably the most popular — thanks…