Cruiseaholic

I booked the last spot on the Dolphin Swim Adventure for my daughter and was wondering: 1. Is this event at the Dolphin Discovery center that is located right at the port? The RCL description says it’s only 5 minutes from the port. But doesn’t specify if that’s by car or foot. 2. Can I watch her for free? 3. Will she be able to participate in the swim alone? She is 10 years old and meets the stated RCL height requirement of 55 inches (she’s 59”). There’s no stated age restriction. But when I looked at the Dolphin Discovery website it was a little confusing as it folds in an age requirement too but doesn’t specify what category a kid between 6-12 years old and over 55” would fall in (I posted their website notice). thanks in advance!