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Rock Island Lake

🌡️ Thermal regime Cool-water
📏 Max depth 14 m
📐 Surface area 145 ha
📋 Regulations FMZ 15 →

Fish species recorded here

White Sucker Yellow Perch Northern Pike Walleye Smallmouth Bass Pumpkinseed Cisco Rock Bass Brown Bullhead Iowa Darter Largemouth Bass Bluntnose Minnow Mimic Shiner Johnny Darter

Species come from MNRF survey records — absence of a record doesn't guarantee absence of the fish.

Open Rock Island Lake on the interactive map → for live weather, water levels, solunar times and full stocking history. Always confirm seasons, limits and sanctuaries in the official Ontario Fishing Regulations Summary.