Cancun Dolphin Royal Swim on Isla Mujeres. Make your dreams of swimming with dolphins come true with a 1-hour Dolphin Royal Swim from Cancun. Venture to the idyllic Isla Mujeres to swim with these intelligent and friendly mammals during an immersive and interactive experience; feel your adrenaline levels soar as you’re towed around the water at high speeds and forge special bonds with the animals during this intimate and unforgettable session. Book with us and Save 10%! Cancun Dolphin Royal Swim on Isla Mujeres.