Several motel options to consider located on Route 7 (a/k/a Shelburne Road), including North Star Motel (www.northstarmotelvt.com), Dutch Mill Motel (www.dutchmillvt.com), Countryside Motel (www.countrysidevt.com), and T-Bird Motor Inn (www.tbirdmotorinn.com). You can also type "shelburne vermont motels" and "south burlington vermont motels" into google.com and you'll see a whole bunch more. The ones I've listed are more or less grade-B places to stay as I'm thinking you're looking for a decent place to sleep (and decent bed) and good location for getting to a launch without the high cost of a national motel/hotel chain.
If you're looking for Lake Champlain fishing information, then this site is worth its weight in gold: