Mars Lake

Mars Lake (also called Lake Sequilla or Sequilla Lake) is a small spring-fed rural lake in Oneida County in northern Wisconsin in the United States, near the intersection of U.S. Route 45 and U.S. Route 8, about 4.5 mi north of Pelican Lake and 2000 ft northwest of the small settlement of Monico. It is located between the somewhat larger lakes Neptune Lake and Venus Lake.

Mars Lake is 40 acre in area with a maximum depth of 24 ft (another source says 12 ft. ) Mars Lake is used for fishing. Panfish species include Largemouth Bass, Northern Pike, and Walleye, and Bluegill. There is a boat ramp.