Islas Marietas is a group of limestone islands off the northern part of Puerto Vallarta's bay past Nuevo Vallarta. Visibility was poor 20-30 feet during the dive, but the views above water were spectacular with arches in the limestone and caves. Saw dolphins
http://youtu.be/5lgl7Jw53fo
and large sea turtles on the way to the islands. Mrs. Bart01 snapped pictures of the islands while I dove. She snapped a picture of Blue Footed Boobies found only on these islands and the Galapagos. Could have done without the large crowd, but it was nice that Mrs. Bart01 was able to go even though she would not be able to scuba this trip.