100 is a lot... but if you got the $$$ http://www.SuperYachtRentalMiami.com Or you can have everyone rent their own kayaks and paddle out there because it's not that far out. http://kayaking.floridaoutdooradventures.info/mangroves/paddling-around-oleta-state-park-chilling-on-the-haulover-sandbar/
Charter more than one boat....
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