The lake bed in 3-D: deep basin, drop-offs and shoreline. Shape estimated, not for navigation. Spot 1 (back of a cove) is open for everyone; the other 5 come with LakeScope PRO. Full screen
Roy Lake
Marshall County, South Dakota · about 1,760 acres (2.8 sq mi)
42°F water, calm this morning.
About Roy Lake
Roy Lake spreads over about 1,760 acres in Marshall County, South Dakota. Roy Lake, in Marshall County, is the centerpiece of Roy Lake State Park.
From end to end it runs about 3.6 miles and its shoreline adds up to about 15.6 miles. The water sits about 1,790 ft above sea level. Britton is about 14 miles northwest.
- Size
- About 1,760 acres (2.8 sq mi)
- Shoreline
- About 15.6 miles
- End to end
- About 3.6 miles
- Elevation
- About 1,790 ft
- Type
- Natural lake
- County
- Marshall County
The lake from above
Best fishing times
Friday Good
- 6:45 am – 9:00 amsunrise
- 3:30 pm – 5:00 pm bestsunset, moon overhead · wind 9 mph
Saturday Fair
- 3:45 pm – 5:30 pm bestsunset, moon overhead · wind 14 mph
Based on sun and moon times and the wind forecast. A guide, not a promise. The app shows the whole week.
Fish to expect
Expect the usual South Dakota mix for a lake this size: walleye, northern pike, largemouth bass, yellow perch and bluegill and sunfish. The state fish and wildlife agency lists what is stocked and the rules for this lake. At 42°F on the surface right now, here is how each one should behave.
- GoodWalleye
Good cool-water bite, best at dusk and after dark.
- GoodNorthern pike
Prime range. Weed edges and shallow bays.
- SlowLargemouth bass
Cold and sluggish. Fish slow and deep near steep banks.
- GoodYellow perch
Schooled near weed edges and soft bottom.
- SlowBluegill and sunfish
Cold. Deep and hard to tempt. Use tiny baits.
From today's water temperature and the season. A guide, not a promise.
Fishing spots
- 1Back of a cove
Sheltered, shallower water where baitfish gather.
- 2
- 3
- 4
- 5
- 6
5 more spots with LakeScope PRO: fish, depth band, water temperature, best time and bait for each.
Picked from the shape of the lake bed. A guide, not a promise.
Water temperature
At the surface, seen .
Water level
No daily level reading for this lake.
Ice
Open water
Ice thickness is an estimate from air temperature, not a measurement. Check the ice yourself before going on it.
Weather and wind
Sunrise 7:26 am · sunset 5:00 pm · waxing crescent moon (lake time).
Towns and places to stay near Roy Lake
- Brittonabout 14 mi northwest
- Sissetonabout 17 mi east
- Websterabout 24 mi south
- Formanabout 29 mi north
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Questions about Roy Lake
What fish are in Roy Lake?
Lakes like Roy Lake usually hold walleye, northern pike, largemouth bass, yellow perch and bluegill and sunfish. Check the state fish and wildlife agency for stocking and limits.
How deep is Roy Lake?
We have no published depth for this lake. The 3-D view gives an estimated shape of the bed: where the deep basin and the drop-offs are. Not for navigation.
How big is Roy Lake?
About 1,760 acres, with about 15.6 miles of shoreline.
What town is near Roy Lake?
Britton is about 14 miles northwest; Sisseton is about 17 miles east.
What is the water temperature at Roy Lake today?
The surface was about 42°F on the latest clear reading. The page updates every day.
Roy Lake on your phone
The whole week of bite times, lake alerts and the 3-D view, every morning.
