Arenal Sloth and Monkeys offers a specialized tour with guaranteed sloth sightings, conducted along nature trails within a protected natural environment. 

The tour is led by certified naturalist guides who use professional optical equipment to facilitate clear and respectful observation of the wildlife in its natural habitat.

During the tour, it is possible to see two-toed and three-toed sloths (sightings guaranteed), monkeys, tropical birds, frogs, reptiles, and insects, especially on the night tour.

Approximate duration: 1 hour and 30 minutes.