The canton takes in the Caribbean coast from the Río Toro northward to the border with Nicaragua. It ranges inland in a southwestern direction with the Río Chirripó forming the western border. The canton ends in the Cordillera Central where the Río Sucio crosses the highway in Braulio Carrillo National Park.
The Tortuguero National Park is located in the canton of Pococí in the province of Limón, in the Atlantic area of the country. This park is located within the Tortuguero Conservation Area, and is especially characterized by its famous canals.
The Caribbean coast of Pococí has extensive wetlands and several protected areas, including Tortuguero National Park, and Barra del Colorado Wildlife Refuge. Tortuguero is one of the wildest areas in Costa Rica, with the largest biological variety. Eleven habitats have been identified, as well as 2000 species of plants and 400 species of trees. There is also a very wide variety of wildlife
Note that much of the northern portion of the canton is inundated year-round or seasonally, and inaccessible by road. The wetlands stretch inland the length of the canton. The coastal areas provide important sea turtle nesting habitat. These protected areas and wetlands are an important eco-tourism destination.