Iowa DNR's Twitter Iowa DNR's Flicker Iowa DNR's YouTube Iowa DNR's Pinterest Iowa DNR's Facebook | Iowa Outdoors Magazine | News | Contact Us

Site Search  search button

Lost Island Lake

General Information

County: Palo Alto
Location: 3 miles north of Ruthven
Acres: 1162.00
Maximum Depth: 15.7 ft. (2007 - Data collected as part of the statewide lake mapping program.)
Motoring Restrictions: none


Amenities at Lost Island Lake include:
  • Boat Access
  • Accessible Pier
  • Boat Rental
  • Picnic Area
  • Beach
  • Trails
  • Accessible Facilities
  • Restrooms
  • Camping
  • Hard Surface Boat Ramp

Fishing Report

No recent updates

Fishing Forecast

Walleye anglers should continue to catch numbers of stock (10.0 – 14.9 inches) sized fish with quality (15.0 – 19.9 inches) size not uncommon in the catch. Continued good walleye angling will exist at Lost Island Lake as the 2011 year class will sustain the fishery for the next few years. Catfish anglers will continue to enjoy quality angling as good numbers of angler acceptable size fish is available for the upcoming 2014 season. Black bullheads will provide quality angling with numbers of large fish available for harvest. (2014)

Fish Surveys

Lake Fish Survey Data Data from the most recent fisheries survey of this lake is provided on this external web site. This data may include information from various netting surveys and/or electroshocking surveys. Data includes numbers of fish sampled, and fish size ranges. Not all lakes are sampled every year.

Lake Mini-report

Lake Reports Summary report information about selected (~130) lakes regarding water quality, upstream land use, usage, economic value and more. Reports are customizable by the user to include only that information which the user desires to include.

Water Quality

Iowa-Caught Fish Are Safe to Eat, In Almost All Cases

The vast majority of Iowa’s streams, rivers and lakes offer safe and high-quality fish that pose little or no threat to human health if consumed. Some limitations may apply for young children and pregnant women. Here’s a Fish Consumption Fact Sheet from the Iowa DNR and the Iowa Dept. of Public Health for more information. Here is a list of current fish consumption advisories for Iowa lakes and rivers.