• Receives heaviest use of all islands.
• 35 developed campsites scattered around the island at 12 separate locations; first-come, first-served.
• Vault toilets at 6 sites; porta-potties required at other sites (West Shores, Selkirk, Shady, Peninsula, & Cottonwood).
• All sites have tables, fire rings, and privacy screens; no drinking water; PACK-IT-IN PACK-IT-OUT.
• Large beach areas.
• Volunteer campground hosts in summer.
• Two day use areas (Sandy Point & Kalispell Vista).

BARTOO ISLAND (Map #10): Located mid-lake approximately six miles from the south end of the lake.

• 25 developed campsites at 6 locations; first-come, first-served.
• Vault toilets at Sunshine Campsite and Lone Pine day use area; porta-potties required at all other sites.
• All sites have tables, fire rings, and privacy screens; no drinking water; PACK-IT-IN PACK-IT-OUT.
• Large beach areas
• Volunteer campground hosts in summer.

• Two day use areas (West Sunshine & Lone Pine)

FOURMILE ISLAND: Smaller island located along east shoreline about four miles from the south end of the lake.

• One developed campsite on the northwest point of the island; first-come, first-served.
• No toilet on site; porta-potty required.
• Site has table and fire ring; PACK-IT-IN PACK-IT-OUT.
• Smaller beach area; heavy boat traffic close-by during summer season summer.

EIGHTMILE ISLAND: Larger island located along east shoreline approximately eight miles from the south end of the lake.

• No developed campsites on the island; primarily a day use area.
• No facilities; PACK-IT-IN PACK-IT-OUT
• Beach area; heavy boat traffic close-by during summer season.
• No fee area
• Vinther-Nelson Cabin Historical Site located on Eightmile Island; day use activities are prohibited at this historical site.