Fishing and snorkeling excursion

I'm hopefully someone has some insight they can provide. Im traveling in May 7 with a group of four and we were hoping to do a private boat charter to snorkel shark ray alley and combine it with some fishing from the boat and maybe a visit to Caye Caulker.

ive sent messages to two separate tour companies and have received zero response. Does anyone have any recommendations? we're hoping to find a laid back boat captain who will let us buy him lunch on Caulker and can give us more of an authentic experience with local recommendations of things to do for the remainder of our trip.