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City Within a City: The Biography of Chicago’s Marina City
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The incredible shrinking marina
November 6, 1963
The Art Institute of Chicago
(Above) A narrow walkway overlooking the Chicago River runs the length of Phillips Pier 66 at Marina City in this illustration by R.A. Johnson in 1963. The walkway was part of the marina until about 2000. It was used to access equipment along the ceiling of the marina, including air pumps that were used as deicers. The stairs on the left lead from the walkway down to the river. Image provided by The Art Institute of Chicago.
1,000 boats in 1959. 700 boats in 1961. And in 1963, the estimate for the number of boats the marina at Marina City would accommodate was down to 500.

Still, on November 6, 1963, Phillips Petroleum Company (now ConocoPhillips Company) signed a 20-year, multi-million-dollar lease to operate the marina. Phillips operated a “Pier 66” in Fort Lauderdale, Florida, and planned to call this marina Pier 66, also. They eventually settled on the name “Phillips 66 Marina.”

Six large slips would be built to move boats to and from the water. A concrete and steel seawall, built by Chicago and North Western Railway when it owned the property, kept water away from the slips while they were constructed. Later that month, divers removed the 280-foot bulkhead, allowing water into the marina.

Aero Distributing / Cameo Greeting Cards

(Above) Detail from two postcards showing the seawall still in place at Marina City. (Left) Detail from a postcard published by Aero Distributing Co., Inc., circa 1963. (Right) Detail from a 1963 postcard photographed by Larry Dodson for Cameo Greeting Cards, Inc.

Dynamite was used to do this. Precision Blasting Company of St. Charles, Illinois, did the honors over a few days, beginning on Wednesday, November 27, 1963.

A barge was tied up alongside the seawall, closest to the State Street Bridge. Large mats were placed over the area being blasted to limit noise and debris. Windows were reinforced on the restaurant under construction above the marina. Water was pumped into the slips behind the bulkhead to equalize pressure.

More than 80 pounds of dynamite were used to break up the reinforced concrete. Holes were drilled into the concrete, into which sticks of dynamite were placed and then detonated. After rubble from the blast was hauled onto the barge, a diver then cut away the steel at the bottom of the seawall.

Former resident Earl Meech was home in the west tower when the seawall was blasted. “Since my balcony was directly over the river, I had a good view. I had guests at the time, and we were sitting in the living room when hearing and feeling the first blast.”

He says the mats muffled the sound, “but we knew it was close.”

The blasting did not completely knock down the seawall. According to Marko Lucht, a former marina employee, there is still a “stub” of the seawall at the bottom of the marina slips.

“We had a sailboat stay the night during which the river level went down less than a foot, trapping it,” he recalled in 2012. “We had to enlist every available marina worker, janitor, and truck driver to stand on one side of the sailboat to heel her enough to slip out.”

A Marina City newsletter from 1964 says a boat could be launched in five minutes “with a casual flip of a switch and push of a button.”

Hoist control (Left) Hoist control, photographed in 2007. (Inset) Marina manager Tom Dollnig, photographed in 1964 operating an electric hoist capable of lifting a craft weighing six tons.

A special mechanism was installed to keep water from freezing in the slips in winter. It sent warmer water at the bottom of the river up to the surface. Boats could be stored at the marina during summer or winter, and owners would pay rent based on the size of their boat. The minimum would be $180 for summer storage (equal to $1,824 in 2024) and $100 for winter storage (equal to $1,013 in 2024).

When the marina opened on June 1, 1964, manager Tom Dollnig expected a sales showroom to be completed by mid-July.

Written by Steven Dahlman
Presented for nonprofit educational purposes