Although the frogs (bats, snakes, etc) are all wild, they are protected in this well set out sanctuary. The area feels very natural with a selection of pools, and I got the impression most visitors saw some of the most iconic frogs of Costa Rica; we certainly saw Red-eyed Tree frogs, Glass Frogs, Rain frogs and even watched a Fer-de-Lance capture a bullfrog. The guide was very knowledgeable and helpful (ask if she/he will take photos using their scope + your phone for amazing pictures). Obviously this is a night tour, so dress accordingly. Transport to/ from the hotel was provided.