The Osa Peninsula, located on Costa Rica’s Pacific coast, is a treasure trove of biodiversity, often hailed as one of the most biologically intense places on Earth. Among its many wonders, the annual migration of humpback whales stands out as one of the most breathtaking natural events. Every year, these gentle giants journey thousands of miles to the warm, calm waters off the Osa Peninsula to breed, give birth, and nurse their young.