This is a great place for the beginner diver or to freshen up on your scuba skills. There is one big downfall at this spring. If there are many people diving at this site, visibility will be poor. The sand is so loose that it gets kicked up with the current when agitated. If you dive at this site, wear a beanie cap. Especially for the ladies or those of you with long/thick hair. You'll have to wash your hair out 5 times just to get the sand out of your scalp. I just revisited Alexander on Saturday, 9/9/06. I had a great time. The boil is a bit larger now and there is a small cavern.