The mansion is spread out over three floors featuring a total of 55 rooms, including 10 bedrooms, 12 bathrooms, 7 fireplaces, and 3 kitchens illuminated by 861 light bulbs.
The layout of the house is generally a central hall plan, and as a result of being built on the side of a hill, the entrance hall is located on the second floor.
Defining the space is a large stone arch flanked by two lower rectangular openings, through which a short flight of stairs lead to a landing behind the arch featuring a balustrade.
Overhead are gilded domed ceilings, and the space is embellished with two stone carved night owls, peering out of the stairway niches through glowing red eyes.
Below the arch, a grand stairway leads down to the first level, and to the Hall of Merriment.
The hall is named due to the four whimsical carvings of men representing "Eat, drink and be merry," with the fourth figure taking a pinch of snuff.
The hall today is the site of the Carl and Carolyn Renfro Gallery that feature replicas of the twelve statues entered in a competition to depict the Pioneer Woman.

To the left of the hall is the service area of the house including the main kitchen where a majority of the cooking was done, the staff dining room and pantry.
On the right was originally a handball court for the amusement of family and friends, but has been re-purposed as the administrative offices for the Estate and the National Petroleum Hall of Fame.
At the far eastern side of the house are two lounges, the inner lounge known as the Winter Room, and the outer lounge known as the Summer Room.
The Winter Room has a large fireplace with a hearth that hides a small entry to a panic room that could have been used by the family during any dangerous situations.
Above the concrete beams of the ceiling are decorated with artwork tracing the history of Oklahoma from the days of the pre-Columbian Native Americans through the discovery of oil by Marland Oil Company.
The third kitchen is also located in this room and is known as the Hunt Kitchen as this is where guest assembled for breakfast before the fox hunts.
Adjacent to the Hunt Kitchen is the secret Poker Room that concealed a hidden Whiskey Room and door to the 550 foot tunnel leading to the Boat House and Artist Studio.
The ceilings in the Summer Lounge were designed and painted by Vincent Maragliotti free of charge and pay homage to the spirit of the 1920s.
The mansion is spread out over three floors featuring a total of 55 rooms, including 10 bedrooms, 12 bathrooms, 7 fireplaces, and 3 kitchens illuminated by 861 light bulbs. The layout of the house is generally a central hall plan, and as a result of being built on the side of a hill, the entrance hall is located on the second floor. Defining the space is a large stone arch flanked by two lower rectangular openings, through which a short flight of stairs lead to a landing behind the arch featuring a balustrade. Overhead are gilded domed ceilings, and the space is embellished with two stone carved night owls, peering out of the stairway niches through glowing red eyes. Below the arch, a grand stairway leads down to the first level, and to the Hall of Merriment. The hall is named due to the four whimsical carvings of men representing "Eat, drink and be merry," with the fourth figure taking a pinch of snuff. The hall today is the site of the Carl and Carolyn Renfro Gallery that feature replicas of the twelve statues entered in a competition to depict the Pioneer Woman. 
To the left of the hall is the service area of the house including the main kitchen where a majority of the cooking was done, the staff dining room and pantry. On the right was originally a handball court for the amusement of family and friends, but has been re-purposed as the administrative offices for the Estate and the National Petroleum Hall of Fame. At the far eastern side of the house are two lounges, the inner lounge known as the Winter Room, and the outer lounge known as the Summer Room. The Winter Room has a large fireplace with a hearth that hides a small entry to a panic room that could have been used by the family during any dangerous situations. Above the concrete beams of the ceiling are decorated with artwork tracing the history of Oklahoma from the days of the pre-Columbian Native Americans through the discovery of oil by Marland Oil Company. The third kitchen is also located in this room and is known as the Hunt Kitchen as this is where guest assembled for breakfast before the fox hunts. Adjacent to the Hunt Kitchen is the secret Poker Room that concealed a hidden Whiskey Room and door to the 550 foot tunnel leading to the Boat House and Artist Studio. The ceilings in the Summer Lounge were designed and painted by Vincent Maragliotti free of charge and pay homage to the spirit of the 1920s.
E. W. Marland Mansion