- Quality RV Services & Campground, Madoc
- Quinte's Isle Campark, Cherry Valley
- Ratter Lake Campground, Hagar
- Red Eagle Cottages & Seasonal Camping, Coe Hill
- Red Oak Travel Park, Eden
- Red Pine Lodge & Outposts Camps, Foleyet
- Red Setter Resort, Havelock
- Rideau Acres Campground, Kingston
- Rideau Heights Campsite, Nepean
- Riverbend Park, Pakenham
- Riverlake Campground, McKellar
- River Place Campground, Ayton
- Riverside Park Motel & Campground, Niagara Falls
- River Wood Park, Lindsay
- Rochester Place Golf Club & Resort, Belle River
- Rockcliffe Trailer Park, Kirkfield
- Rock Glen Family Resort, Arkona
- Rockport Lighthouse, Mallorytown
- Roebuck Campground, Meaford
- Rolling Acres Campground, Alliston
- Rondeau Shores Trailer Park, Morpeth
- Rus-Ton Family Campground, Grand Bend
- Sandbanks River Country Campground, Picton
- Sand Bay Family Campground, Combermere
- Sand Lake Campground, Elgin
- Sandy Beach Resort, Fenelon Falls
- Santa's Whispering Pines Campground, Bracebridge
- Saugeen Spring's RV Park, Hanover
- Scott's Family Campground, Niagara Falls
- Seguin Beach Campground & Trailer Park, Callander
- Serenity Bay Resort, Eganville
- Shady Pines Campground, Ailsa Craig
- Shamadon RV Resort, Ayton
- Shelter Valley Campground, Clinton
- Shelter Valley Park, Grafton
- Sherwood Park Campgrounds, Cloyne
- Sid Turcotte Park Campground & Cabin Resort, Mattawa
- Silver Dove Estates Family Campground, Appin
- Silver Lake Tent & Trailer Park, Holyrood
- Skyline Cottage & RV Resort, Ennismore
- Sleepy Cedars Family Campground, Greely
- Smith's Trailer Park & Camp, Midland
- South Algonquin Harmony Resorts, Harcourt
- South Bay Park, Elliot Lake
- South Lake Tent & Trailer Park, Minden
- Spey Trailer Park, Chatsworth
- Sportsman's Tent & Trailer Park, Alban
- Spring Lake RV Resort, Mount Elgin
- Springrock Camp, Young´s Point
- Spring Valley Cottage & RV Resort, Mount Forest
- Springwater Trailer Park, Nestleton
- Stillwater Tent & Trailer Park , Nipigon
- Stoney Lake Harmony Resorts, Lakefield
- Stoney Point Sun Retreats Amherstburg, Hastings
- Stricker's Burleigh Beach Resort, Lakefield
- Sturgeon Woods Campground & Marina, Leamington
- Summer House Park, Miller Lake
- Summer Place Marina & Campground, Morpeth
- Summer Place Trailer Resort, Grand Valley
- Sunny Acres Resort, Fenelon Falls,Ontario
- Sunny Hill Resort, Barry's Bay
- Sunny Valley RV Park, Owen Sound
- Sun Retreats Amherstburg, Amherstburg
- Sun Retreats Arran Lake, Allenford
- Sun Retreats Blue Mountains, Clarksburg
- Sun Retreats Cayuga, Cayuga
- Sun Retreats Huntsville, Huntsville
- Sun Retreats Ipperwash, Forest
- Sun Retreats Penetanguishene, Tiny
- Sun Retreats Sandbanks, Cherry Valley
- Sun Retreats Stratford, Bornholm
- Sun Retreats Turkey Point, Normandale
- Sun Retreats Willow Lake, Scotland
- Sunset Shores Resort, Batchawana Bay
- Sutton Bay Park, New Liskeard
