The episode of the show took place two decades after the end of the original show and starred Katherine McNamara as Mia Smoak, Katie Cassidy as Laurel Lance, and Juliana Harkavy as Dinah Drake
Rescuers had initially given a toll of four dead after the boat went down just off Orzola, a village at the northern tip of Lanzarote island, at around 7:30 pm (1830 GMT) on Tuesday evening.