Illinois /
Mermet Lake
Reservoir in Illinois · 279 acres · near Joppa, Mermet
Mermet Lake has 9 boat ramps listed as public.
Motors: No horsepower limit, no wake (for the whole water, per the boating rules map of Illinois Department of Natural Resources; check the posted rules before you go)
Boating rules
- Horsepower limit: none; no wake · all of Mermet Lake rule
From the boating rules map of Illinois Department of Natural Resources, read October 18, 2026. A map of rules is a guide: the regulation's text and the posted signs govern.
Launches
- Mermet Lake Boat Launch near Joppa · Boat ramp · near Joppa
- Mermet Lake Boat Launch near Joppa · Boat ramp · near Joppa
- Mermet Lake Boat Launch near Joppa · Boat ramp · near Joppa
- Mermet Lake Boat Launch near Mermet · Boat ramp · near Mermet
- Mermet Lake Boat Launch near Mermet · Boat ramp · near Mermet
- Mermet Lake Boat Launch near Mermet · Boat ramp · near Mermet
- Mermet Lake Boat Launch near Mermet · Boat ramp · near Mermet
- Mermet Lake Boat Launch near Mermet · Boat ramp · near Mermet
- Mermet Lake Boat Launch near Mermet · Boat ramp · near Mermet
Community
Where people who fish, boat and paddle Mermet Lake talk about it. Lake associations, clubs and local groups will be added as we find them.