Central Oklahoma City in Oklahoma County, Oklahoma — The American South (West South Central)

Delmar Garden

Photographed by Duane and Tracy Marsteller, June 20, 2025

1. Delmar Garden Marker

Inscription. This marker is located in the heart of the area where the largest and most lavish amusement park in the history of Oklahoma once stood. Delmar Garden extended westward from Reno and Western and covered 140 acres. It opened in 1903 and operated through the summer of 1910. It was developed by John and Peter Sinopoulo. The Sinopoulo brothers later became the city's principal theater owners. Delmar Garden was host to many regional and national meetings including the National Editorial Convention and an early attempt at a constitutional convention. The park boasted an outdoor theater seating twelve hundred people, a scenic railway, dance hall, beer garden, swimming pool, baseball park and a race track.

Topics and series. This historical marker is listed in this topic list: Parks & Recreational Areas. In addition, it is included in the Oklahoma Historical Society series list. A significant historical year for this entry is 1903.

Location. 35° 27.756′ N, 97° 31.976′ W. Marker is in Oklahoma City, Oklahoma, in Oklahoma County. It is in Central Oklahoma City. It is on South Klein Avenue south of Southwest 2nd Street, on the right when traveling south. Touch for map. Marker is at or near this postal address: 311 S Klein Ave, Oklahoma City OK 73108, United States of America. Touch for directions.

Regionally, this marker is in Central Oklahoma — Frontier Country.

It is also in the American South,

specifically on the prairies,

and on the Southern Plains.

Globally, it is in North America,

the Western Hemisphere,

the Western World,

and the Anglosphere.

Historically, it finds itself in what was once the territory of the Mississippian Culture

and also the Louisiana Purchase.

Other nearby markers. At least 8 other markers are within walking distance of this marker: Jim Couch (approx. ¾ mile away); The Harbour-Longmire Building

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(approx. 0.8 miles away); 420 W. Main Street (approx. 0.8 miles away); The Resignation of Mayor William L. Couch (approx. 0.8 miles away); Beale Defeats Overholser For Mayor (approx. 0.8 miles away); Hightower Building (approx. 0.8 miles away); The Oklahoma Territory Organic Act (approx. 0.8 miles away); The New Framework of Government (approx. 0.9 miles away). Touch for a list and map of all markers in Oklahoma City.

Also see . . . Delmar Gardens. Wikipedia entry on the amusement park, which was part of a national amusement park construction boom inspired by the success of New York's Coney Island. (Submitted on July 28, 2025, by Duane and Tracy Marsteller of Murfreesboro, Tennessee.)

Photographed by Duane and Tracy Marsteller, June 20, 2025

2. Delmar Garden Marker

Marker is near the left corner of the Oklahoma City Farmers Market building, which was built in 1928.

Postcard: Artist rendition, aerial view of Delmar Garden image. Click for full size.

from Joe E. Haynes collection, University of North Texas Libraries, The Portal to Texas History (Public Domain), circa 1908

3. Postcard: Artist rendition, aerial view of Delmar Garden

It was modeled after a park of the same name in St. Louis. The Oklahoma City park operated only eight years, done in by frequent Oklahoma River flooding and the onset of prohibition upon Oklahoma statehood in 1907.

Credits. This page was last revised on July 29, 2025. It was originally submitted on July 28, 2025, by Duane and Tracy Marsteller of Murfreesboro, Tennessee. This page has been viewed 118 times since then and 21 times this year. Photos: 1, 2, 3. submitted on July 28, 2025, by Duane and Tracy Marsteller of Murfreesboro, Tennessee.