I am coming to Marco Island for two days next week and am curious as to where the best place is to cast net for live bait. Any suggestions on methods and places would be greatly appreciated.

Just try the big markers out side marco pass. You need a lg net the bait is around. I like to jig bait with a bait jig (subeque? rig size spelling might be wrong. You can get them in any tackle store. jig around any of the markers or crab pots