Island Lake is a 240 acre, moderately fertile, soft water lake located 3 miles southeast of Emily, in Crow Wing County. A public access is located on the east side of the lake. The maximum depth is 37 feet and 63% of the lake is less than 15 feet deep. The number of cabins/homes around the lake remained relatively unchanged from the previous count in 1999 with 19 cabins/homes per shoreline mile. Shallow water substrates are primarily sand, with gravel and muck also common. The lake supports a very diverse aquatic plant community consisting of 38 species. Aquatic plants help prevent erosion, stabilize bottom sediments, provide spawning habitat, and provide food and shelter for a variety of aquatic organisms.
An assessment of the fish population was completed in 2010 and compared to the seven previous surveys dating back to 1966. Northern pike were captured at a rate of 2.0 per gill net. This catch, while low compared to similar lakes throughout the state, was typical of past netting results. Growth was average, and 33% of pike sampled were at least 24".
Despite a long history of stocking, the catch rate for walleye (0.7 per gill net) was again below average for this type of lake, which is consistent with previous survey results. Walleye growth was slow, with age two fish averaging just 7.8".
Spring electrofishing was used to sample largemouth bass in Island Lake for the first time in 2010. The catch of 35 fish per hour was low for the area, but several year classes were identified. Growth was average, with fish averaging 11.2".
The catch of black crappie remained similar to the last survey. Fish between 4.8 to 11.2 inches were sampled. Growth was slow and only 19% were greater than 8". The bluegill catch of 7.9 per trap net was similar to previous catches. Several year classes were observed, but growth was slow and only 14% were greater than 7".
Additional sampling for nearshore fish was also conducted using shoreline seining and backpack electrofishing. A total of 16 species of fish were collected in all sampling methods combined during the 2010 survey.