SummerHills Retreat Byron Bay accommodation is a beautiful hill top retreat in the Byron Hinterland, only minutes from Byron Bay Beaches. A Private Sanctuary to nurture your Mind, Body and Soul. Byron Bay luxury accommodation with a Slice of Tuscany. SummerHills welcomes up to 6 couples at one time or groups of up to 18 people offering Self Contained Spa Cabins & Villas, or Large Lodge with all the facilities of a luxury Byron Bay Resort and personalised service you can expect from a small Boutique Retreat only 10-minute breathtaking drive to Byron Bay central.