John Deere Marsh
Boat ramp · on Mississippi River · near Sageville · Iowa
Zebra mussels (latest report 2005) reported in Mississippi River 1.6 km from this launch (USGS Nonindigenous Aquatic Species database). Clean, drain and dry your boat, trailer and gear before you leave, and do not move water, plants or live bait to another water.
USGS Nonindigenous Aquatic Species database · checked October 18, 2026
Status not reported No closure has been posted for this launch, but its agency does not publish open or closed status. Check with the managing agency before you tow.
At the launch
- Type
- Boat ramp
- Ramp surface
- Natural
- Car parking
- 8 spaces
- Managed by
- Dubuque County Conservation Board
- Coordinates
- 42.57053, -90.68437
Conditions
- Weather forecast for this launch · National Weather Service
On the river
River mile 586.1 on Mississippi River · U.S. Army Corps of Engineers Navigation Mile Markers, placed between its mile markers
Keep well clear of dams: strong currents and restricted zones above and below them.
- Dam, 3.2 mi downstream: MISSISSIPPI RIVER LOCK & DAM NO. 11 (large impoundment), 43 ft. · Iowa DNR River Programs dam hazards
Up to 10 river miles each way, from the agencies' inventories; not every hazard is listed and rivers change. Scout before you go.
Sources: U.S. Army Corps of Engineers Navigation Mile Markers, Iowa DNR River Programs dam hazards.
On Mississippi River
River in Iowa. All launches on Mississippi River.
Community
Where people who use Mississippi River talk about it.
Nearby launches
- Sunfish Lake Landing · 3.1 mi · Mississippi River
- Mud Lake Boat Launch · 3.4 mi
- Mud Lake Park · 3.5 mi · Mississippi River
- A.Y. McDonald Park Boat Ramp · 3.8 mi · Mississippi River
- Banfield Bridge Access · 4.5 mi · Little Platte River
- Schmitt Island Boat Ramp · 4.5 mi · Mississippi River
Sources
- Iowa DNR Water Accesses record 9af13874-4be1-4722-90be-b730099ca55e · Public data (Iowa DNR), no terms stated; credit the Iowa Department of Natural Resources
- US Fish and Wildlife Service facility property (boat launches) record a140b980-0897-47df-abcd-cdaf731e2559 · US federal government data, public domain (FWS no-liability disclaimer)
- OpenStreetMap n4414627545 © OpenStreetMap contributors, ODbL
Why it is listed as public: listed by Iowa DNR Water Accesses and US Fish and Wildlife Service facility property (boat launches). Something wrong, or is this launch private? Send a correction; it goes to a person.