Marcus Island Campground
Lake Roosevelt National Recreation Area — lakeside, fishing
Location: Davenport, WA, WA
Price: From $23 per night
Rating: 4.2 out of 5 (54 reviews)
Season: May through October
Marcus Island Campground is tucked into the trees on the lake shore. The campground is heavily shaded and, in the summer, has shoreline on three sides. The main access road is single lane and winding, but campers flock to this shaded area in summer.
Cell coverage (FCC estimate): strong signal. Actual signal may vary in remote areas. Best carrier: T-Mobile. Verizon 4G: 100%. AT&T 4G: 100%. T-Mobile 4G: 100%.
Amenities: Fire Rings, Picnic Tables, Fishing, Boat Launch
Availability alerts: Set a free cancellation alert at camperwatch.org/campground/marcus-island-campground to be notified when sites open up.
Marcus Island Campground is heavily shaded and nestled on Lake Roosevelt's shoreline, providing a secluded spot in a beautiful evergreen forest. Campers praise its private, quiet lakeside setting with nice spaces.
Wildlife alert: North American Mountain Lion and Rocky Mountain Mule Deer present in the area. Also: Pygmy Nuthatch, Common Nighthawk, Cedar Waxwing, Northern Rough-winged Swallow, and Valley Garter Snake.
Insider tips for Marcus Island Campground: Book early as this is a federal campground with high demand Avoid Loop 2 if possible due to poor water access and minimal shade Arrive with a fully self-contained RV as there are no hookups available Use the boat launch with parking before the campground entrance for lake access when water levels are high
Skip Marcus Island Campground if: You require RV hookups—no hookups available at most sites. You need year-round camping—seasonal operations May through October only. You prefer spacious campsites—sites are noted as being close together. You need facilities with lighting—toilet has no light during evening hours.
Best time to visit Marcus Island Campground: May-October — Seasonal operations period as stated in verified data. Summer — Campground has shoreline on three sides during summer months; heavily trafficked season.
Nearby campgrounds: Evans Campground (Davenport, WA), Kamloops Island Campground (Davenport, WA), Evans Group Camp (Davenport, WA), Kettle River Campground (Davenport, WA).
Cell Phone Coverage at Marcus Island Campground
Cell signal at Marcus Island Campground (Davenport, WA): strong overall signal based on FCC broadband data. Best carrier: T-Mobile.
- Verizon 4G LTE: 100% coverage
- AT&T 4G LTE: 100% coverage
- T-Mobile 4G LTE: 100% coverage
Coverage data source: FCC Broadband Data Collection (BDC). Actual signal may vary due to terrain, tree cover, and distance from towers. Camper reports are more reliable than coverage maps in remote areas.
Marcus Island Campground is tucked into the trees on the lake shore. The campground is heavily shaded and, in the summer, has shoreline on three sides. The main access road is single lane and winding, but campers flock to this shaded area in summer.
Verified facts
RIDB / Recreation.gov official databaseAmenities
RIDB /facilities /campsites · owner-verifiedStraight talk
CamperWatch intel · curated from camper reportsKnown issues, each with the workaround. Read before you book.
Insider tips & when to go
CamperWatch intel · hand-curated entryBook early as this is a federal campground with high demand
Avoid Loop 2 if possible due to poor water access and minimal shade
Arrive with a fully self-contained RV as there are no hookups available
Use the boat launch with parking before the campground entrance for lake access when water levels are high
Seasonal operations period as stated in verified data
Campground has shoreline on three sides during summer months; heavily trafficked season
Things to do nearby
RIDB /activities /recareas + intelConditions today
LiveCell signal
FCC BDC · quarterly datasetFCC maps are theoretical — camper reports confirm signal. Best carrier: T-Mobile.
Wildlife nearby
iNaturalist · research-grade · 8 kmLocation
Leaflet · OpenStreetMap tiles
Getting there →
Take Washington state Highway 395 north from Spokane. Travel 70.3 miles to the town of Kettle Falls, take Highway 25 north and travel 5.7 miles. Follow signs to the campground. It is on the west side of the highway.
Campground entrance
Google Maps APICommunity
#community · posts, photos & Q&A · AI-moderated (Claude Vision)Pro tips
- Book on recreation.gov exactly 6 months ahead at 10am ET — Lake Roosevelt National Recreation Area fills fast in peak season.
- Check current road conditions at Lake Roosevelt National Recreation Area before arrival — seasonal closures common.
Frequently asked questions
RIDB facts + intel · FAQPage schema, speakableHow much does Marcus Island Campground cost per night?+
What season is Marcus Island Campground open?+
Does Marcus Island Campground have hookups?+
What is the maximum RV length at Marcus Island Campground?+
How do I make reservations at Marcus Island Campground?+
What is the cell service like at Marcus Island Campground?+
What season is Marcus Island Campground open, and what are check-in times?+
Official resources
●Data sources on this page
CamperWatch never fabricates data. Where data is unavailable, it is not shown.
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