The Artesian Sandy Point Ultra has a 54" wall. The Artesian Echo Caynon has a 54" wall, both these pools have massive frame supports. The Sharkline Oceanic has a 54" wall also. The Sharkline Oceanic is a very nice pool (almost bought one). But the artesian line was hard to beat, much beafer frame and supports. Also what I thought was important was the stainless steel panel for the skimmer and return. My neighbor had a sharkline for about 5 yrs and it started leaking / rusting at the skimmer. That is why I choose Artesin Sandy Point Ultra.