Byron Bay beaches

Me and my lady have planed a holiday for 3 weeks at the end of September we will be staying in Byron bay for a week of this after not being to Byron bay for many years and never going to any of the nude beaches we are after some help Ive have searched Google for the beaches and read about them on other posted but which beach do you guys suggest going to we are not looking to play at all on the beach just relax thanks guys