The Sandals & Beaches 2 for 1 Sale is the only time of the year that savvy travellers can bag themselves a half price luxury holiday. But with so many adults-only and family resorts on offer, you might feel overwhelmed for choice. This trusty guide whittles down the list to 5 excellent deals to start your journey through the Sandals & Beaches 2 for 1 Sale. Now is the time…