- Inn On The Lake Country Park, Gravenhurst
- Inverness Tent & Trailer Park, Utterson
- Island View Tent & Trailer Park, Coboconk
- Jack's Lake Tent & Trailer Park, Apsley
- John Bayus Park, Cambridge
- Jordan Valley Harmony Resorts, Jordan
- Kenhaven Trailer Park, Cameron
- King´s Portage Park, Honey Harbour
- Klondyke Trailer Park, Grand Bend
- Knight's Beach Resort, Dunnville
- Lake Consecon Resort, Consecon
- Lake Dore RV Resort, Eganville
- Lakefield Campgrounds, Lakefield
- Lake Huron Resort, Goderich
- Lakeside Cottages and Trailer Park, Cobden
- Lakeview Tent & Trailer Park, Mackey
- Lakewood Christian Campground, Plympton-Wyoming
- Lambton Centre, Lambton Shores
- Lancaster Cottage & Trailer Resort, Peterborough
- Landon Bay Centre, Lansdowne
- L & J Tent and Trailer Park, Manitowaning
- Lantern Bay Resort, Kilworthy
- Lazy Rock RV Campground, Mattawa
- Lighthouse RV Resort, Lowbanks
- Lilac Lodge RV Resort, Bobcaygeon
- Little Mississippi Resort, Bancroft
- Log Cabin Point, Cherry Valley
- Log Chateau Park, Fenelon Falls
- Logos Land Resort & Waterpark, Cobden
- Long Beach Cottages & Trailer Park, Cameron
- Loon's Call Campground & Cottage Resort, Cloyne
- Loon Lake Resort, Madoc
- Lovesick Lake Park, Burleigh Falls
- Lucky Loon Campground, Mallorytown
- Lutterworth Valley Trailer Park, Norland
- Lyndhurst Golf & Trailer Park, Baldwin
- Lyon's Little Austria Cottage RV Resort, Burford
