Island Lake is a small (66.7 acres) basin in the middle of a subwatershed of the Sunrise River. Linwood Lake is immediately upstream and Martin Lake is downstream. Fish are known to move between the three lakes.Bluegill were present in average numbers for this type of lake. Over 40% of the fish were at least 7 inches long and 5.9% were at least 8 inches long. Catch in 1995 and 2000 were similar, much higher than in previous assessments.Black and white crappie were average in abundance. White crappie had a higher average size, with one-third of the fish over 10 inches long compared to 4.3% of the black crappie.Northern pike, walleye, and largemouth bass were present in low numbers. A few northern pike were between 25 and 28 inches long. Walleye were between 17 and 21 inches long. Largemouth bass sampled were small, less than 12 inches long.Black, brown, and yellow bullhead were present in low numbers with most over 10 inches long.Bowfin, carp, and white sucker were present in average numbers.