I don`t know the lake or area, just guessing by June the spawn will be over? A Johnson Silver minnow , the biggest one with a pork frog or rubber trailer is a good lure for swimming thru lily pads or over weed beds, Dardevles, Red Eye spoons, bigger hard baits like a 7 inch Rapala, suicks, magnum Rattle Traps, most of the small muskie or larger bass lures might work. A bigger bass jig with a pork O trailer or bigger size pork frog.
Bait will work also, just guessing bait stores may be few and far between up there and getting big chubs or suckers might be a problem? A big chub or sucker will work, you can set them up with a quick strike rig, under a slip float, and I have seen guys troll them. A 40+ inch pike has no problem with an 8 inch chub or bigger live bait.
Small coves with deeper water on the entrance, or a flat with a deep edge are good spots to try, a weedy point. If it`s your first time there ask the camp owner for some place to try, and cover some water. Baitfish in an area are a good sign.