Spain & Portugal Summer Holidays Diamond Resorts: Get 20% Off. Spain & Portugal. Enjoy a relaxing summer getaway at one of our fantastic resorts in Spain and Portugal. Offer applies a 20% discount on our best available rate, mentioning promotion code DRHSPSH. Terms & Conditions: Booking date: from now to 31st May 2016 Travel date: 1st June to 30th September 2016 Full non refundable payment is taken in euros at the time of booking, no cancellations or modifications permitted.