They seem fairly close to the shore for a beach landing if the engine stops?
If you're going to do some low flying this would seem one of the safer ways to do it, with guaranteed flat 'terrain' and few obstacles (watch out for wind farms!)
I guess for most of us, we only fly in the first place because it's fun. Everyone must make their own judgement on how much risk to take, and one thing is for sure, you can't reduce that risk to zero.