Even in eco-obsessed Costa Rica, Lapa Rios hotel in the Osa Peninsula stands out like a green thumb. The 16 sustainably built open-air bungalows occupy sea-view perches amid 1,000 acres of protected rainforest – your closest neighbour is likely to be a howler monkey or a toucan. Take a wilderness tour of the hotel’s conservation zone, zip-line across the forest canopy, swim the pristine Pacific waters, or just sit back on the balcony and soak up that view…The hotel offers guided tours of the Lapa Rios Reserve to support its maintenance and preservation. The activity hut by the pool has assorted tour options, including tree-planting, bird-watching and walks along the rainforest ridge. The spa offers massages and facials using local botanicals; there’s a private ocean-view massage cabin down a secluded path.