Yes it's very possible to train your dog to be off leash. Work on recall inside your house, and sit stay before exiting your home (you don't want your pup to dart our of the house) My pup knows the "too far" command which let's him know he's gone too far ahead of me, and has a great sit/stay and drop it. He's just overall a great listener. When he is running around off leash like at the off leash dog park/beach, he is always with someone who is watching him.
__________________ Littlest JakJak 
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