Yes, I believe its close by.
Not with small children because you would have to walk all the way around to employee entrance. I believe just over a mile.
The Resort is located across the street from the SeaWorld parking lot. Walking to SeaWorld is easy. You'll want to take the shuttle to Aquatica though.
Yes SeaWorld
Its across the street, you could walk there from the hotel. There are so many things to do.
It is a safe walk and they have crosswalks. They.might even have shuttles between.
Distance isn't necessarily the issue - you'll probably walk more than that just going around the park. The problem is that you would be walking along a busy road to get there, then crossing an intersection across 7-8 lanes in a normally busy area.
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