Yep, Delaware was the very first location that popped into my mind....Delaware. Followed by North Dakota, then Idaho, then Wyoming.
I will say Bethany Beach is one of this country's 'Best Kept Secrets.'
Gennerally speaking, if you stay close to the extened family, it keeps you young, engaged, relevant, active, mobile and happy.
If choosing to migrate to warmer climes, isolation and lonliness can, not always, produce a unhappy, grouchy, unpleasant, paranoid, anxiety ridden existance. We are all wired differently. Knowing where ones fullfillment is derived is essential in making the long term retirement decison.