Whale Las Terrenas, whale watching in SamanĂ¡ Bay from Las Terrenas hotels half day Trip. Travel to SamanĂ¡ bay aboard a comfortable, air-conditioned coach, then transfer to a boat. Cruise out into the open waters to look for the pods of humpback whales who visit to breed and have their calves in the area. Learn about the behavior and biology of these marine mammals from your expert naturalist guide. After this half day trip we get back to the meeting point in Las Terrenas.