Here in Minnesota, loons are sacred and our state bird. That would be like asking if you could get some bald eagle eggs. lol. But in all seriousness, what some people here do with input and assistance from the DNR is build a square of PVC pipe with strong netting fit over it and then the loons build a nest on top out into the water. That's key to protection from predators because loons really can't walk like ducks can. Their feet go straight out back so they can really only move in water when not flying. Or slowly crawl along on their bellies a little ways on land. I agree, I would talk to your state or federal resources people and see what you can do if anything to attract them. We have a half dozen pair or so on our lake every year and its one of my favorite things of living on the lake. Not seeing them but more so hearing their calls in the morning and evening.