Yes you can, there's a marina right there.
I believe so. Enjoy.
I would be very careful in doing so. Its a big lake and very unpredictable. There are actually two marina's, the great salt lake marina and the antanlope island marina, both you have to pay to get in. The fee isn't a lot, but be prepared.
Yes you can. There is a marina and boat launch.
I don't think so.
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