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Save Detweiller Playground!

A picture of a monument that reads: Detweiller Playground, A gift to the people of Peoria. Thomas H. Detweiller. May 13, 1947

O'Brien Steel wants to buy Detweiller Marina and Playground! Don't let them!

According to Propublica, Jr O'Brien is on the board of trustees for the Detweiller Playground non-profit.

A screenshot of ProPublica showing that Jr O'brien is on the board of trustees for the Detweiller Playground non-profit

But according to Jr O'Brien's LinkedIn, he's also Executive Vice President of O'Brien Steel, the company that wants to land-grab the Detweiller Playground. Is this coincidence?

Jr O'Brien's LinkedIn page, showing that he is Executive Vice President at O'Brien Steel.

Email patricia.palmer1108@gmail.com to help save Detweiller Marina and Playground!

Map

The Detweiller Marina and Playground are on the west side of the river, between the I-74 bridge and the 150 bridge.

A map of the Detweiller Marina and Playground, showing the affected area highlighted in red. Most of the Marina and Playground would be privatized.

Approximate affected area, marked in red. The area is from Caroline Street to the Illinois Waterway Project Office. OpenStreetMap link to the Detweiller Marina

Files

  1. 1990 Easement agreement (PDF)
  2. Map of existing buildings and plots (PDF)
  3. Map of proposed buildings and plots (PDF)

Learn More

  1. The Saga of Captain Henry Detweiller - History On The Fox
  2. A Gift from the Detweillers - peoriapubliclibrary.org
  3. Peoria's Detweiller Marina closing at the end of the year - CIproud.com
  4. O’Brien Steel expansion revealed at Peoria Park District meeting - CIproud.com
  5. The effort to stop O’Brien Steel’s purchase of Detweiller Marina - CIproud.com

Contact

Email patricia.palmer1108@gmail.com to help save Detweiller Marina and Playground!

This page will change rapidly over the next few days! Please share with trusted individuals!

Updated March 2026