
Check which species have trophy potential in Eagle Island State Park
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Eagle Island State Park is a lake located in Ada County, Idaho, United States. It is most popular for fishing Largemouth bass, Rainbow trout, and Bluegill.
Learn what time of year and day to go fishing at Eagle Island State Park. Download Fishbrain today to look for new fishing spots, scout new fishing access, or prep for your next trip.

Disclaimer: Always check local fishing regulations, water access rights and land ownership before fishing, regardless of any catches logged in that area by the Fishbrain community. Fishbrain has mapped millions of acres of government-owned land across the USA to help you identify potential fishing access, but you are responsible for ensuring compliance with all legal requirements.
Fishing regulations in Idaho can change throughout the year. Make sure to check this page before fishing for the most up to date rules and regulations for the current season. Local regulations govern when you can fish, the max size of the fish you can keep, how many fish you can keep, and more.
Below you will see fishing regulations for catching Largemouth bass as of April 1st, 2026. To view regulations for a different fish species, please click on your preferred species in the drop-down.
Seasons
Bag limit
Min size
Measurement
Aggregate
Micropterus nigricans
5 ratings
2.5 miles away
5.2 miles away
6.5 miles away
10.2 miles away
10.9 miles away
13.4 miles away
13.8 miles away
37.2 miles away
51.9 miles away
105.5 miles away
115.9 miles away
124.6 miles away
140.5 miles away
153.4 miles away
181.8 miles away
189.2 miles away
189.9 miles away
199.3 miles away
204.6 miles away
205.1 miles away
205.6 miles away
206.0 miles away
207.7 miles away
212.3 miles away
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