A fantastic three-hour trip. Just as we thought we weren't going to be lucky and see any dolphins, the pilots (who'd been watching through binoculars for signs of them throughout the trip), suddenly killed the engines and told us all where to look. And there they were - a couple, first, leaping out of the water in perfect synchronisation, right by the boat, and then popping up again a little further away, and joined by a juvenile.
The English speaking, friendly crew gave an informative but unobtrusive commentary, which added to the pleasure of the trip. Even if we'd seen no dolphins we had wonderful views of the islands, but in fact we would have been invited to make a second trip free of charge another day for a second chance to see. Highly recommended.