Launch Conditions
Use cautionLaunch with caution — limited daylight.
- Advisories
- None active
- Daylight
- Past sunset (8:28 PM)
Live from the National Weather Service, USGS, and NOAA. A guide, not a substitute for official forecasts and your own judgment.
Launch Light & Moon — June 22
local timeFirst Quarter (47% illuminated). Average fishing outlook by moon phase — focus on dawn and dusk bite windows.
Location
Quick Facts: Rentner Marine Services
| Location | Chicago, Illinois |
|---|---|
| Waterbody | Lake Cottage Grove |
| Access Type | Public |
| Coordinates | 41.649032, -87.614450 |
| Hours | Check on site |
| County | Cook County |
Rentner Marine Services is a boat launch providing access to Lake Cottage Grove in Chicago, Illinois at coordinates 41.64903, -87.61445.
Rentner Marine Services is a boat launch on Lake Cottage Grove in Chicago, Cook County, Illinois. This page shows sunrise, sunset, and moon-phase times for the launch, updated automatically. There are 6 other mapped boat ramps within about 15 miles if conditions here aren't right.
Related: boat ramp near Chicago • public launch in Cook County • fishing access on Lake Cottage Grove • Illinois boat launch
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Frequently Asked Questions About Rentner Marine Services
What water does Rentner Marine Services access?
Rentner Marine Services provides boat launch access to Lake Cottage Grove in Chicago, Illinois.
How do I get to Rentner Marine Services?
Rentner Marine Services is located at coordinates 41.649032, -87.614450 in Chicago, Illinois. Use the "Get Directions" buttons on this page to navigate with Google Maps or Apple Maps.
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Alternative Boat Launches Nearby
6 additional boat launches are located within 4.2 mi of Rentner Marine Services, providing alternative access points for this area's waters.