Nestled on the cliffs of Big Sur, Post Ranch Inn is a sanctuary of natural luxury - small, serene, seductive. High atop the California Coast, the inn offers an unforgettable escape for a honeymoon, anniversary, romantic getaway or relaxing vacation. Adult Only Resort. No one under the age of 18 permitted. Unless notified prior to, or at check-in, a one night penalty will apply to departures that occur earlier than the date specified on the original reservation.