Looking for good sailing locations in Key Biscayne.

I'm heading down to Miami for work and figured I'd bring my boat and do some sailing. Can anyone recommend a good area to launch from?

Dom
Hobie Island Beach Park, just on the other (eastern) side of the Rickenbacker Causeway

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Kenneth Purdy
Hobie 16
Nacra 5.2 (2)
Banshee
First Coast, Florida
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