I've never splurged for a cabana anywhere before, but my logic thus time is a bit skewed.
Originally this was a WDW vacation. But FP+ has me turned off completely. By switching to BG/SW/Aquatica we are saving almost half the money we'd budgeted for parks and at least that much in food as we aren't doing character meals, etc. So I think we'll do the cabanas at least one day.
Since watching some Aquatica commercials from 2013 on YouTube thus weekend my kids are psyched and already begging to do two days. We'll play it by year, but I'm open to it. Honestly, going the non-WDW, less-planning route is something I'm warming up to and feeling good about.
Thanks for your help!