Cabo (Cape) Marshall is located on the Northeast side of Isabela Island. Depth can be over 40 meters (130+ feet) and visibility varies from 6 – 21 meters (20 – 70 feet) depending on the time of the year. Current is moderate to heavy and always a drift dive along the coast. Surge can be moderate in the shallows but imperceptible in general. Cabo (Cape) Marshall is a wall dive and a good place for observing Gigant Manrtarrays, mobulas and other pelagics.