The bike rentals are 14.00 for half a day. They are 7.00 per hour so its just cheaper to,do a half a day rental. They allow you to take the bike locks with you so you can stop around the island. I don't know about the kid trailer.
To bad about the cold weather when you were there...we love Jekyll island
I'm sorry I cant help you with that. It was so cold while we were there I developed icicles just looking out the window.
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