Go if
you want a tidy, spacious campground and are willing to check site notes ahead to land a level, dry spot like #121 or #077.
Seasonal ranking by Open-Meteo.com, licensed under CC BY 4.0, processed by Outdoorithm.
Price
$16 - $44/night
Booking
Reservable
Sites
100 campsites
Season
Open March 28 throug...
Cell
Unknown
Pets
Very Pet Friendly
Elevation by Open-Meteo.com, licensed under CC BY 4.0, processed by Outdoorithm.
Price
$16 - $44/night
Booking
Reservable
Sites
100 campsites
Season
Open March 28 throug...
Cell
Unknown
Pets
Very Pet Friendly
Elevation by Open-Meteo.com, licensed under CC BY 4.0, processed by Outdoorithm.
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Learn more about alerts →South Marcum Campground
11623 Trailhead Lane
We'll monitor this campground and alert you the moment sites become available.
Free to start · paid plans add 2-min scans
263,000+ sites monitored · Email alerts to start; SMS and in-app with an account
Learn more about alerts →you want a tidy, spacious campground and are willing to check site notes ahead to land a level, dry spot like #121 or #077.
you need every site guaranteed level or can't tolerate occasional puddling, bugs, or so-so staff interactions.
Camper Report Card
Rated higher than 50% of graded campgrounds
Graded on what 768 campers actually wrote - graded on 14 things that make or break a trip. Each topic is graded against every other campground on it - A is among the best, C about average. No star ratings.
Strengths
Watch-outs
Each topic is graded against every other campground on it; a topic campers liked never grades below C−. ± shows the 95% confidence range from the sample size.
Context for the broader area surrounding South Marcum Campground, sourced from the federal Recreation.gov rec-area record.
Rend Lake, IL, located in the heart of southern Illinois, is a natural haven for wildlife and a recreational haven for visitors. Rend Lake consists of 18,900 acres of water and 20,000 acres of land. Campers will delight in the nearly 800 sites found in 5 public campgrounds on Rend Lake. Boaters are provided access to the lake through the numerous boat ramps. Beaches, picnic sites and trails provide the perfect backdrop for outdoor fun. Nearby attractions such as the 27-hole championship Rend Lake Golf Course, Southern Illinois Artisans Shop, and the Rend Lake Resort provide special opportunities for the recreationist.
Located near Mt. Vernon, IL, 15 miles south of junction of I-64 and I-57.
South Marcum Campground appears in our curated guides. Explore more top-rated campgrounds for the same activities and regions.
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Best season: summer. Summer is the best time to visit South Marcum Campground because Rend Lake is at its warmest and all water-based recreation is at peak — expect daytime highs in the 80s to low 90s°F and overnight lows in the 60s. Swimming, boating, jet-skiing and shoreline bass/crappie fishing are at their best, and campground services (showers, water, electric hookups) are fully available. Be prepared for weekend and holiday crowds and afternoon thunderstorms; reserve early for lakeside sites. Peak months: July, August, June, September Avoid: November, December, January, February
Summer is best: warm lake water and peak water-based recreation; many positive seasonal reviews.
Weather data by Open-Meteo.com, licensed under CC BY 4.0, processed by Outdoorithm.
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South Marcum Campground at Rend Lake offers an extensive array of amenities to enhance the camping experience. The campground boasts over 100 reservable campsites and provides electric hookups at all RV sites. Essential facilities include showers, flush toilets, potable water, and a dump station. Additional features such as a playground within the Whispering Pines loop cater to families. The sites are paved and well-maintained, with accessible drinking water and flush toilets distributed across the campground.
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Short heads-ups about the road in, gear quirks, and timing, compiled by Outdoorithm from public reviews and operator information.
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Pulled from per-site mentions in 1082 reviews.
Site #077: Spacious and almost perfectly level.
Site #056: Beautiful lake view but slopes toward the lake.
Site #121: Long and level.
Site #133: Unlevel due to a large puddle, causing bug issues.
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Three hand-reasoned picks from nearby campgrounds — one per reason you might prefer it over this spot.

If you want waterfront sites: Wayne Fitzgerrell places many sites right on the lake with sunset views, plus the same showers and hookups as the source.

If you want a better-rated stay: South Sandusky matches the source's hookups and primitive options but scores higher with campers (4.57 vs 4.27 sentiment).

If you want a quieter refuge setting: Crab Orchard sits on a different lake inside a wildlife refuge, offering the same hookups and showers away from Rend Lake crowds.