S
- Sackville Waterfowl Park
- Sager Conservation Area
- Sally's Beach Provincial Park
- Saltcoats Regional Park
- Saltery Bay Provincial Park
- Samuel de Champlain Provincial Park
- Sand Lakes Provincial Park
- Sandbanks Provincial Park
- Sandbanks Provincial Park
- Sandbar Lake Provincial Park
- Sandra Schmirler Olympic Gold Park
- Sandy Beach; River Park
- Santa's Woods
- Sargeant Bay Provincial Park
- Sasquatch Provincial Park
- Sauble Falls Provincial Park
- Saugeen Bluffs Conservation Area
- Seeley Lake Provincial Park
- Sept-Chutes
- Serpent Mounds Park
- Seymour Conservation Area
- Shamrock Regional Park
- Shannon Falls Provincial Park
- Sharbot Lake Provincial Park
- Sheppard's Bush Conservation Area
- Shubenacadie Canal Park
- Shuswap Lake Provincial Park
- Sibbald Point Provincial Park
- Silent Lake Provincial Park
- Silver Falls Provincial Park
- Silver Lake Provincial Park
- Silver Lake Regional Park
- Simson Marine Provincial Park
- Sir Alexander MacKenzie Provincial Park
- Sir Richard Squires Memorial Provincial Park
- Sir Sanford Fleming Park
- Sirmilik National Park
- Six Mile Lake Provincial Park
- Sixtieth Parallel Territorial Park
- Skihist Provincial Park
- Sleeping Giant Provincial Park
- Smileys Provincial Park
- Smuggler Cove Marine Provincial Park
- Souris Bird Sanctuary
- South Bay Provincial Park
- South Glenmore Park
- Spatsizi Plateau Wilderness Provincial Park
- Spectacle Lake Provincial Park
- Spencer Gorge/Webster's Falls Conservation Area
- Spencer Smith Park
- Spipiyus Provincial Park
- Spirit Rock Conservation Area
- Springwater Conservation Area
- Springwater Provincial Park
- Sproat Lake Provincial Park
- Spruce Woods Provincial Park
- St. Ambroise Beach and Provincial Park
- St. Brieux Regional Park
- St. Clair National Wildlife Area
- St. Lawrence Islands National Park of Canada
- St. Malo Provincial Park
- St. Norber Provincial Heritage Park
- Stamp River Provincial Park
- Stampede Park
- Stanley Park
- Stanley Park
- Stawamus Chief Provincial Park
- Stephenfield Provincial Park
- Stone Mountain Provincial Park
- Stonewall Quarry Park
- Strathcona Provincial Park
- Sturgeon Bay Provincial Park
- Sturgeon Lake
- Sturgeon River Provincial Park
- Sturgis & District Regional Park
- Sue Higgins Park; Southland Natural Area
- Suffern Lake Regional Park
- Sugarloaf Provincial Park
- Sylvan Lake Provincial Park
- Sylvia Grinnell Territorial Park
