National Parks and Coastal Breaks - Key InfoVoucher Validation Your voucher is valid until 01 Jul 20 You must validate book and use your voucher within the voucher expiry date.Duration: This is a one night stay for two people including breakfast.Group Size: This break is for two people to enjoy.Weather Dependent: NoThe minimum age is 18 years old.Availability: This break is available on selected days of the week throughout the year and excluding bank and school holidays.