Coralville Lake
Coralville Reservoir is a 5,340-acre flood-control lake known for catfish and big crappie potential. Walleye and wipers are stocked annually, though many wash through the dam.
Species
Fishery rating out of 5.
Channel Catfish
Good numbers; 2-8 lb, up to 15 lb
Crappie
Typically 9-12 in
Flathead Catfish
Mostly 10-15 lb, trophies to 50 lb
Largemouth Bass
Most 12-17 in
Walleye
Stocked annually; hard to locate
Wiper
Stocked annually
White Bass
Recovering
Bluegill
Mediocre
Smallmouth Bass
Listed
Spotted Bass
Listed
Northern Pike
Listed
Saugeye
Listed; stocked 2021-22
Boat launches
4 launch sites. Fees and hours change, so confirm before you go.
- Greencastle rampRampNamed by DNR as a wiper stocking siteDirections ↗
- Croy AccessAccessNamed by DNR as a wiper stocking siteDirections ↗
- Tailwater WestAccessFish cleaning station (2023)Directions ↗
- More public accessPublicSee the state agency or lake website for all ramps and feesDirections ↗
Size & creel limits
Special rules for this lake, confirmed from official state regulations. Minimum size and daily limit.
| Species | Min size | Daily limit |
|---|---|---|
| Largemouth Bass | 15 in | 3 (black bass combined) |
| Smallmouth Bass | 15 in | 3 (black bass combined) |
| Spotted Bass | 15 in | 3 (black bass combined) |
| Walleye | See Iowa rules book ↗ | 5 |
| Crappie | See Iowa rules book ↗ | 25 |
| Bluegill | See Iowa rules book ↗ | 25 |
| Channel Catfish | See Iowa rules book ↗ | 15 (cats combined) |
| Flathead Catfish | See Iowa rules book ↗ | 15 (cats combined) |
| Northern Pike | See Iowa rules book ↗ | 3 |
Other species in this lake: look up the limits at Iowa Department of Natural Resources ↗
Bait & tackle nearby
No shops listed yet for this lake. Use the search link below.
Search more bait shops near Coralville Lake ↗Local tips
- Crappie numbers were down in 2026 but larger fish are available.
- Largemouth minimum is 15 in.
- Walleye and wipers wash through the dam, so fish them near the upper-lake stocking areas.
View on interactive map
Zoom and pan on a street, satellite or terrain map. Red pins are boat launches.
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Always wear a life jacket and check your state's current regulations before you fish.