~1 hour
That's right and it depends on the total amount of groups already on the course. But, you can spend time feeding the alligators, sometimes they have play a 2nd round for 1$ or some have a hole in one on a specific hole, gets you a free game. They have candy and snack you can buy. The more people that are there, the longer it takes. It's not about time it's about chillin' and enjoy the experience.
It depends on the size of your group and how busy the course is, but you could estimate between 1 and 2 hours.
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