Weather information for Captiva Island, Florida. Perhaps you already know that Captiva is subtropical, that its location miles into the Gulf of Mexico moderates the climate year-round, so it's never sweltering hot in the summer and never bitter cold in the winter.
I refer to these directions when grilling the leg quarters. I leave skin on & close grill while grilling the 3 minutes per side. Them move to indirect heat for 35 minutes and baste both sides grilling for the last 10 minutes.
Place crab legs shell side down on a well oiled, clean grill over a medium hot fire. Grill about 4 minutes brushing with butter, until crab is heated through thoroughly. Place veggies on grill, brush with butter and cook, turning occasionally, until cooked through.