At Arenal Observatory Lodge & Trails, you'll be within a 15-minute drive of Lake Arenal and Costa Rica Sky Adventures. Guests can visit the spa to indulge in deep-tissue massages, aromatherapy, or reflexology, and international cuisine is served at El Jilguero, which is open for breakfast, lunch, and dinner. An outdoor pool, a bar/lounge, and a spa tub are other highlights at this Colonial lodge. The helpful staff and overall property condition get great marks from fellow travelers.