Fit for a King: The History of Royal Castle Hamburgers in Miami and Beyond • Burger Beast


Many remember the distinct aroma and tiny, flavorful sliders of Royal Castle, a beloved burger chain with deep roots in both Miami, Florida, and Cleveland, Ohio. While these were two separate companies, both left an indelible mark on the palates and memories of their respective communities. In Miami, Royal Castle wasn’t just a restaurant; it was a local institution, the city’s very first burger chain.

This post dives into the captivating history of Miami’s Royal Castle, exploring its highs, its lows, and the enduring legacy that continues to this day. Consider this your all-access pass to the stories behind those little square… wait, round burgers! And who knows, maybe one day this will indeed become the definitive book on the Royal Castle System. In the meantime, we’d love to hear your Royal Castle memories in the comments below!

The History of Royal CastleThe History of Royal Castle

Royal Castle Hamburgers History

A Look Inside: Royal Castle – Miami Company

The Founding and the Flavor (1938)

Our story begins in 1938 when Ohio transplant William Singer, inspired by the success of the White Castle System, established Royal Castle in Miami. The very first location at 7957 NE 2nd Avenue may be gone, but its impact is still felt.

Singer clearly admired White Castle, which had been serving up its iconic square sliders in Ohio for over two decades. However, when White Castle finally arrived in South Florida in 1959, they found Royal Castle firmly entrenched in the hearts (and stomachs) of Miami’s mini-burger enthusiasts.

So, what made the Miami Royal Castle burger unique? As the Miami Herald’s Jeffrey Weiss aptly described:

They were round – unlike their square, northern White Castle counterparts – perhaps two half dollars wide and not much thicker, fried to within an inch of their lives and topped with minced fried onions and a couple of pickle slices.

Miami Herald’s Jeffrey Weiss

But Royal Castle was more than just burgers. Their breakfast was equally renowned. Imagine freshly squeezed orange juice, eggs cooked in butter, and coffee served with rich, heavy whipping cream – a truly royal way to start the day!

Grand Opening ad for Royal Castle from The Miami Herald on March 18, 1938Grand Opening ad for Royal Castle from The Miami Herald on March 18, 1938
Grand Opening ad for Royal Castle from The Miami Herald on March 18, 1938
Original Location BuildingOriginal Location Building
Original Location Building

During its initial week, that first Royal Castle store raked in a respectable $245, a testament to its immediate popularity. By the mid-1960s, the company had grown to an impressive network of over 200 locations.

Interestingly, the first twenty Royal Castle buildings were open-air structures. A later disagreement with local authorities led to the shift towards the enclosed, flat-top, glass-fronted design we still associate with Royal Castle today.

These iconic buildings, often featuring the “Fit for a King” slogan embedded in their terrazzo floors, were a signature of the brand.

COOL FACT: Before he built his McDonald’s empire, Ray Kroc sold multimixer shake machines to Royal Castle while working for Prince Castle!

The Ride: Going Public and a Change of Hands (Mid-1960s – 1970)

Royal Castle went public in 1965, marking a new chapter for the company. However, in February 1969, the reign of the original owners came to an end when Royal Castle was sold to Performance Systems Inc., the owners of Minnie Pearl’s Chicken.

The Miami News 2-14-69The Miami News 2-14-69
The Miami News 2-14-69

Unfortunately, Performance Systems soon found itself embroiled in a scandal involving the Securities and Trade Commission and their franchise fee reporting methods. By September 1970, the company announced a staggering $39 million loss, putting them in dire financial straits. To recoup losses, Performance Systems began selling off Royal Castle locations where the real estate value outweighed the restaurant’s profitability.

Untold Stories: Forgotten Royal Castle History

Delving deeper into the past reveals some fascinating and, at times, troubling aspects of Royal Castle’s history. The very first location employed female carhops in flared pants – a detail that seems almost quaint when you learn that women wouldn’t work inside a Royal Castle restaurant again until 1967.

The most difficult part of the company’s history to confront is the period when Black customers were not permitted inside Royal Castle locations and could only order from an outdoor take-out window. This discriminatory practice finally changed in the mid-1960s.

A significant turning point came when James N. Brimberry became the first Black employee to work inside a Royal Castle restaurant. In a remarkable twist of fate, James went on to purchase seven Royal Castle locations.

Even after the company’s bankruptcy in 1975 and subsequent liquidation in 1979, James Brimberry single-handedly kept the Royal Castle flame alive for many years. Today, his family proudly carries on this legacy.

Hollywood Royalty: Royal Castle on the Silver Screen

Royal Castle’s iconic look and local presence even landed it roles in some notable productions, including the James Bond classic Goldfinger and the Academy Award-winning film Moonlight (2017).

Royal Castle in the film GoldfingerRoyal Castle in the film Goldfinger
Royal Castle in the film Goldfinger

The Northern Cousin: Royal Castle – Ohio Company

Ohio Stores Sold - Lansing State Journal April 20th, 1973Ohio Stores Sold - Lansing State Journal April 20th, 1973
Lansing State Journal April 20th, 1973

It’s easy to assume that all Royal Castle restaurants were part of the Miami-based chain, which did expand into Georgia and Louisiana. However, a separate Royal Castle company operated in Cleveland, Ohio, and parts of Michigan. Founded in 1940 by William Singer’s brother, Samuel, the Ohio-based restaurants bore a striking resemblance to their Miami counterparts.

Interestingly, while the Miami locations struggled in the early 1970s, Sugardale Foods Inc. acquired the 32 Ohio and Michigan locations in 1973. Sadly, due to poor performance, Sugardale closed all of these northern Royal Castles by 1975.

The Road Not Taken: Franchising

Despite its popularity, Royal Castle’s attempts at franchising never quite took off. Here’s a glimpse into a franchising pamphlet from the late 1960s:

Mapping the Kingdom: Royal Castle Locations

At its peak, the Miami Royal Castle boasted an extensive network of restaurants. Here are a few glimpses of their expansion:

1961 Restaurant Locations1961 Restaurant Locations
1961 Restaurant Locations
Map - Tampa Bay Times 7-28-66Map - Tampa Bay Times 7-28-66
Map ad from the Tampa Bay Times 7-28-66
1967 Directory of Restaurants1967 Directory of Restaurants
1967 Directory of Restaurants

The Heart of the Operation: Royal Castle Commissary

To support its growing number of restaurants, Royal Castle built a large commissary along the railroad tracks in Hialeah in 1958. This facility not only provided the necessary supplies but also housed a 24-hour restaurant. The original building still stands today, a silent testament to the chain’s past.

Commissary in the Miami Herald 1-19-58Commissary in the Miami Herald 1-19-58
Commissary in the Miami Herald 1-19-58
Royal Castle Commissary in HialeahRoyal Castle Commissary in Hialeah
Royal Castle Commissary Postcard in Hialeah, picture courtesy of DonBoyd.net
Royal Castle Commissary Building, current picture by Phillip PessarRoyal Castle Commissary Building, current picture by Phillip Pessar
Former Royal Castle Commissary Building, picture courtesy of Phillip Pessar

From Burgers to Businesses: Repurposed Royal Castle Buildings

The distinctive architecture of Royal Castle buildings made them easily recognizable. Many of these structures have been repurposed and continue to serve the community in new ways:

Former Royal Castle building in Miami Gardens, FloridaFormer Royal Castle building in Miami Gardens, Florida
Former Royal Castle building in Miami Gardens, Florida
Domino's Pizza in Tallahassee, a former Royal Castle buildingDomino's Pizza in Tallahassee, a former Royal Castle building
Domino’s Pizza in Tallahassee
Royal Castle Tallahassee Grand OpeningRoyal Castle Tallahassee Grand Opening
Royal Castle Tallahassee Grand Opening January 17th, 1969
Grand Opening ad in the Tallahassee Democrat January 17, 1969Grand Opening ad in the Tallahassee Democrat January 17, 1969
Grand Opening ad in the Tallahassee Democrat January 17, 1969
  • Entenmann’s Bakery Outlet (permanently closed): 6700 Pembroke Road, Pembroke Pines, FL
Entenmann's Bakery Outlet in Pembroke Pines, a former Royal Castle buildingEntenmann's Bakery Outlet in Pembroke Pines, a former Royal Castle building
Entenmann’s Bakery Outlet in Pembroke Pines
Royal Castle Terrazzo Floor at Ernesto's Taco Shop in Cutler BayRoyal Castle Terrazzo Floor at Ernesto's Taco Shop in Cutler Bay
Royal Castle terrazzo floor at Ernesto’s Taco Shop in Cutler Bay
Five Guys Burgers and Fries in Coral Gables, a former Royal Castle buildingFive Guys Burgers and Fries in Coral Gables, a former Royal Castle building
The Five Guys Burgers and Fries in Coral Gables
Finga Licking in North Miami, a former Royal Castle buildingFinga Licking in North Miami, a former Royal Castle building
Finga Licking in North Miami
  • La Cruzada Restaurant: 331 Park Place, Homestead, FL (another terrazzo sighting!)
La Cruzada in Homestead, a former Royal Castle buildingLa Cruzada in Homestead, a former Royal Castle building
La Cruzada in Homestead
 Royal Castle terrazzo floor at La Cruzada in Homestead Royal Castle terrazzo floor at La Cruzada in Homestead
Royal Castle terrazzo floor at La Cruzada in Homestead, picture courtesy of Gina Guilford
  • Mr. Quick: 5615 W Colonial Drive, Orlando, FL (yes, the terrazzo is there too!)
Mr Quick in Orlando, a former Royal CastleMr Quick in Orlando, a former Royal Castle
Royal Castle terrazzo floor at Mr. Quick in Orlando
  • Pacifico Chinese: 1098 W 29th Street, Hialeah, FL
Pacifico Chinese in Hialeah, a former Royal Castle buildingPacifico Chinese in Hialeah, a former Royal Castle building
Pacifico Chinese in Hialeah
  • Estrella Insurance: 3701 SW 8th Street, Miami, FL
Estrella Insurance in Miami, a former Royal CastleEstrella Insurance in Miami, a former Royal Castle
Estrella Insurance in a former Royal Castle

A Look Back in Print: Newspaper Ads Over the Years

These vintage newspaper ads offer a nostalgic glimpse into Royal Castle’s marketing and promotions throughout its history:

Royal Castle ad in the Miami News 3-12-71Royal Castle ad in the Miami News 3-12-71
The Miami News 3-12-71
Ad in the Palm Beach Post 1-19-69Ad in the Palm Beach Post 1-19-69
The Palm Beach Post 1-19-69
Royal Castle ad in the Miami Herald 7-17-66Royal Castle ad in the Miami Herald 7-17-66
The Miami Herald 7-17-66
Ad in the Orlando Sentinel 8-26-63Ad in the Orlando Sentinel 8-26-63
The Orlando Sentinel 8-26-63
Royal Castle in the Orlando Sentinel 7-22-63Royal Castle in the Orlando Sentinel 7-22-63
The Orlando Sentinel 7-22-63
Royal Castle ad in the Miami Herald 11-28-55Royal Castle ad in the Miami Herald 11-28-55
The Miami Herald 11-28-55
Royal Castle ad in the Miami Herald 11-16-41Royal Castle ad in the Miami Herald 11-16-41
The Miami Herald 11-16-41

The Royal Word: The Royal Spatula Newsletter

For avid Royal Castle fans and collectors, “The Royal Spatula” company newsletter is a prized piece of memorabilia.

The Royal Spatula NewsletterThe Royal Spatula Newsletter
April 1958 edition of The Royal Spatula Newsletter

A Taste of Home: Royal Castle Birch Beer

Royal Castle’s famous house-made Birch Beer, along with Castle Cola, eventually made its way into Florida and Ohio supermarkets, allowing fans to enjoy a taste of Royal Castle at home.

Birch Beer ad from the Orlando Sentinel 7-17-59Birch Beer ad from the Orlando Sentinel 7-17-59
Birch Beer ad from the Orlando Sentinel 7-17-59
Royal Castle Birch Beer Bottle & MugsRoyal Castle Birch Beer Bottle & Mugs
Royal Castle Birch Beer Bottle & Mugs from my Burger Museum collection

Beyond Burgers: Other Royal Castle Ventures

Royal Castle also dabbled in other business ventures:

  • Royal Sky Campground (1972-1976)
The Tampa Tribune 1-3-73The Tampa Tribune 1-3-73
The Tampa Tribune 1-3-73

Criterion I Steakhouse (1973-1975)

Criterion Steakhouse in the Miami News 3-20-73Criterion Steakhouse in the Miami News 3-20-73
The Miami News 3-20-73
Pizza Garden in The Miami News May 11th, 1974Pizza Garden in The Miami News May 11th, 1974
The Miami News May 11th, 1974

The Final Chapter: The End of the Royal Castle Chain

As Royal Castle Chairman & President Kleber Dunklin explained, the business faced significant challenges:

If you have a property that’s worth $120,000 and you’re only making a net profit of $5,000 a year then you aren’t getting a good return on your investment. And that was a position we were in.

Kleber Dunklin

To compete with the speed of larger chains like McDonald’s, Royal Castle began preparing burgers in advance, which unfortunately compromised their quality and taste. Attempts to rebrand and update the menu came too late. By 1975, stockholders began liquidating the company’s assets, with the final payment occurring in October 1979.

Remembering the Founder: Interview with William Singer

This news piece from February 9th, 1976, features an interview with Royal Castle founder William Singer, offering a poignant reflection on the chain’s closing.

The Last Stand: The Sole Remaining Royal Castle in Miami

It’s hard to believe that this once-dominant chain, with over 150 locations across several states (around 40 of them in the Miami-Dade, Broward & Monroe counties area), is now down to a single survivor. Located at 2700 NW 79th Street in Miami, this last Royal Castle is a true landmark.

The last operating Royal Castle in Miami, FloridaThe last operating Royal Castle in Miami, Florida
The last operating Royal Castle in Miami, Florida

Jim Brimberry and his wife owned this location since the late 1970s, and in early 2019, their grandson James took over, continuing the legacy that William Singer started back in 1938.

And yes, those fantastic sliders are still on the menu! But don’t overlook the Feast Burger and be sure to wash it all down with their signature fountain Birch Beer.

Royal Castle CounterRoyal Castle Counter
The counter
Please follow directions
Royal Castle MenuRoyal Castle Menu
Royal Castle Menu
Royal Castle Menu BoardRoyal Castle Menu Board
Menu Board

A Taste of the Present: Current Royal Castle Pictures

Royal Castle Hamburgers
James Brimberry with a six-pack & Birch Beer

So, if you’re in Miami, take a trip back in time and support this iconic establishment. Experience a taste of history!

Royal Castle
2700 NW 79th Street
Miami, FL
(305) 696-8241

Instagram: https://www.instagram.com/miamiroyalcastle

Hours: Monday – Sunday, 7 am – 11 pm

Royal Castle's Royal CarouselRoyal Castle's Royal Carousel

Before Burger King arrived in Miami in 1954, Royal Castle had already been serving the city since 1938, truly making it the original Miami burger chain. In an effort to innovate, Royal Castle unveiled a new concept in April 1967: the Royal Carousel. This “restaurant of the future” aimed for greater automation and self-service.

The Miami News - April 24th, 1967The Miami News - April 24th, 1967
The Miami News – April 24th, 1967

By July 1967, ads appeared seeking personnel for this new venture, located at *599 NE 167th Street in North Miami Beach (now a Taco Bell). The Miami Times and The Miami News both heralded the opening of Royal Carousel on August 23rd, 1967, touting it as the “first Electronic Restaurant in the Southeast.”

Royal Carousel Job Ad - The Miami News July 18th, 1967Royal Carousel Job Ad - The Miami News July 18th, 1967
Royal Carousel Job Ad – The Miami News July 18th, 1967
Royal Carousel - Miami Times August 18th, 1967Royal Carousel - Miami Times August 18th, 1967
The Miami Times August 18th, 1967
The Miami News - August 24th, 1967The Miami News - August 24th, 1967
The Miami News – August 24th, 1967

Customers would place their orders at a “Master Console,” and the food would be prepared and packaged by automated machinery. Interestingly, the Royal Carousel menu featured items not typically found at Royal Castle, such as french-fried shrimp, specially breaded chicken, and hush puppies.

They even offered a “Charbroiled Super Double Hamburger with a Special Sauce,” a departure from Royal Castle’s flat-top cooking method. The Royal Carousel also boasted an air-conditioned dining room, a notable amenity for fast food at the time.

Despite the initial buzz, the Royal Carousel concept only lasted about a year and never expanded beyond its original location. It seemed like an innovative idea that, for whatever reason, didn’t quite pan out.

Do you remember the Royal Carousel? Share your stories in the comments below!

Thanks to Phillip Pessar for tracking down the address in the 1968 Polks Directory.



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