The Rooftop Garden sits at the very top of Celebrity Apex, a space described by Celebrity as a living urban playground. One highlight of the Rooftop Garden is the Rooftop Garden Grill, a speciality restaurant which allows diners to eat in the open air, under the stars, listening to the waves crashing several decks below you. Given the Rooftop Garden Grill is an open air venue, make sure you pick your dining time carefully. We ate there as we sailed away from Barcelona in Augu