Marriott Hotels & Resorts is Marriott International's brand of full-service hotels and resorts based in Bethesda, Maryland. As of June 30, 2020, there were 582 hotels and resorts with 205,053 rooms operating under the brand, in addition to 160 hotels with 47,765 rooms planned for development.^[2][3]

• Arlington, United States: The Twin Bridges Motor Hotel, later renamed the Twin Bridge Marriott, was the first lodging opened by J. Willard Marriott on January 18, 1957. It closed in 1988 and has since been demolished.^[29]
• Atlanta, United States: The Atlanta Marriott Marquis had the largest hotel atrium in the world when it first opened in 1985 (its record has been surpassed by the Burj Al Arab). It was designed by architect John C. Portman Jr..^[30]
• Baltimore, United States: The Baltimore Marriott Waterfront Hotel is the tallest hotel in Baltimore.^[31]
• Bangkok, Thailand: The Bangkok Marriott Hotel The Surawongse was opened in 2018.^[32][33]
• Buffalo, United States: The LECOM Harborcenter is a mixed-use development that contains the 205-key Buffalo Marriott at LECOM Harborcenter.^[34]
• Cairo, Egypt: The Marriott Mena House Hotel is part of a historic accommodation located to the north of the Giza pyramid complex, providing direct views of the monuments. Originally a hunting lodge built in 1869 for the Isma'il Pasha of Egypt, it became a hotel called The Mena House in 1886, named after Pharaoh Menes. In 1977, Egyptian and Israeli diplomats sat down at the hotel to negotiate a settlement that would produce the Camp David Accords, which returned the Sinai Peninsula to Egypt. In 2018, Marriott began managing the garden wing of the hotel as a Marriott, while the palace wing is planned to be transformed into a JW Marriott.^[35][36]
• Cardiff, United Kingdom: The Cardiff Marriott Hotel is located near the Cardiff Central Library. Marriott began managing the hotel in 1992, prior to which it was operated as a Holiday Inn.^[37]
• Casablanca, Morocco: The former Sheraton Casablanca Hotel & Towers was rebranded Casablanca Marriott Hotel after a renovation in 2022.
• Chicago, United States: The Marriott Marquis Chicago is connected to the McCormick Place, the largest convention center in North America, via a footbridge.^[38]
• Constantine, Algeria: The Constantine Marriott Hotel is designed after the Moorish style.^[39]
• Des Moines, United States: The Des Moines Marriott Hotel is the tallest hotel in the state of Iowa.^[40]
• Detroit, United States: The Detroit Marriott at the Renaissance Center is housed in the tallest skyscraper of the Renaissance Center, located on the Detroit International Riverfront and owned by General Motors.^[41]
• Dubai, United Arab Emirates: The Dubai Marriott Harbour Hotel & Suites, opened in 2007, became a Marriott in 2009. It is located in the Dubai Marina.^[42]
• Hong Kong, China: The Hong Kong SkyCity entertainment complex, neighboring the Hong Kong International Airport, includes the Hong Kong SkyCity Marriott Hotel, notable for being the first hotel in the city to receive halal food certification.^[43]
• Houston, United States: The Marriott Marquis Houston is connected to the George R. Brown Convention Center by a sky bridge.^[44]
• Indianapolis, United States: The Indianapolis Marriott Downtown was the largest hotel in the state of Indiana when it was built in 2001, until it was surpassed by the JW Marriott Indianapolis in 2011.^[45]
• Islamabad, Pakistan: The Islamabad Marriott Hotel was the site of a terrorist bombing on 20 September 2008, killing 54 people and injuring 266, mostly Pakistanis. The bombing left a deep crater at the hotel, and it was reopened to the public after three months of reconstruction.^[46]
• Liverpool, United Kingdom: The Crowne Plaza Liverpool John Lennon Airport Hotel was formerly managed by Marriott.^[47]
• London, United Kingdom:
  • The London Marriott Hotel Park Lane sits on top of the former Somerset House and Camelford House.^[48]
  • The London Marriott Canary Wharf occupies the bottom 12 floors of 1 West India Quay mixed-use skyscraper, near the Museum of London Docklands.
  • The London Marriott Hotel County Hall repurposes a Grade II-listed county hall originally used as the headquarters of the local government of London.^[49]
• Minneapolis, United States: The Minneapolis Marriott City Center Hotel is the tallest hotel in Minneapolis. Professional wrestler Eddie Guerrero was found dead of heart failure at the hotel on November 13, 2005.^[50]
• Miri, Malaysia: The Miri Marriott Resort & Spa is the first international-branded hotel in Miri.^[51]
• Montreal, Canada: The Château Champlain, near the Place du Canada, was built in time for Expo 67 and was the tallest hotel in Canada at the time. It became a Marriott in 1995.^[52]
• New Castle, United States: The historic Wentworth by the Sea resort was managed by Marriott between 2003 and 2023.
• New Orleans, United States: The New Orleans Marriott is the seventh-tallest building in New Orleans. Convicted murderer Robert Durst was arrested by the FBI while staying at the hotel on March 14, 2015.^[53]
• New York City, United States:
  • The New York Marriott Marquis, located on Times Square and designed by John C. Portman Jr., is one of the largest hotels in the city. It houses the Marquis Theatre on the third floor.^[54]
  • The Marriott World Trade Center, formerly the Vista International Hotel prior to 1995, was part of the original World Trade Center complex in Lower Manhattan. The hotel was damaged during the 1993 World Trade Center bombing and was completely destroyed by the collapse of the World Trade Center during the September 11 attacks. The hotel was not rebuilt afterwards, its site being used for the National September 11 Memorial & Museum, although its address, 3 World Trade Center, was reused for a skyscraper built in 2018.^[55]
• Niagara Falls, Canada: The Niagara Falls Marriott Fallsview Hotel & Spa and Niagara Falls Marriott on the Falls are a pair of Marriott properties facing the Niagara Falls. The former opened as a Marriott in 1998, while the latter opened as a Sheraton in 1993, before it was rebranded a Marriott in 2011.
• Noord, Aruba: The Aruba Marriott Resort & Stellaris Casino was built in 1995 in the northwestern Aruban town of Noord.
• Norfolk, United States: The Norfolk Waterside Marriott is a landmark building in Downtown Norfolk.
• Norwich, United Kingdom: The Sprowston Manor was managed by Marriott between 1973 and 2018.
• Orlando, United States: With 2,008 rooms, the Orlando World Center Marriott is the largest Marriott in the world and was the largest hotel in Florida at the time of its 1986 opening. It is near the Walt Disney World complex.^[56]
• Ottawa, Canada: The Ottawa Marriott Hotel opened as a Holiday Inn in 1971 and also spent several years as a Radisson. Ottawa's only revolving room, Summit, can be found on the hotel's roof.^[57]
• Paradise Valley, United States: In 1968, the Camelback Inn was bought by Bill Marriott, who once stayed there with his parents as a teenager. It became Marriott's Camelback Inn, the company's first ever resort. In 2003, it was renovated and rebranded as a JW Marriott.^[58]
• Peoria, United States: The Peoria Marriott Pere Marquette is the city's only surviving upscale hotel built in the 1920s. It was designed by Horace Trumbauer.^[59]
• Portland, United States:
  • The Portland Marriott Downtown Waterfront opened as the Portland Marriott Hotel in 1980.^[60]
  • The Bidwell Marriott Portland was opened as the Portland Marriott City Center in 1996. It acquired its present name following its 2021 renovation.^[61]
• Salt Lake City, United States: The Salt Lake Marriott Downtown at City Creek was one of the few buildings built prior to the development of the City Creek Center.^[62]
• San Antonio, United States: The San Antonio Marriott Rivercenter is the tallest building in San Antonio and the tallest hotel in Texas outside Dallas. It is located near the Henry B. González Convention Center and has direct access to the San Antonio River Walk.
• San Francisco, United States: The San Francisco Marriott Marquis is recognizable by its postmodern style and is the second-tallest hotel in San Francisco. It opened the same day as the 1989 Loma Prieta earthquake, to which it lost only a single window as result of better earthquake proofing.^[63]
• St. Louis, United States: The Marriott St. Louis Grand Hotel was originally a Statler Hotel acquired by Hilton in 1954, but it left the chain in 1966. It reopened as a Renaissance (also owned by Marriott) in 2002, but it closed in 2009 after its owners failed to repay interest payments to bondholders. Following renovations, it reopened for the second time as a Marriott in 2015.^[64]
• Syracuse, United States: The Marriott Syracuse Downtown is a historic hotel originally opened in 1924 as Hotel Syracuse and spent some time as a Hilton in the 1980s, before it joined Marriott in 2015 after a $57 million restoration. It has been added to the National Register of Historic Places.^[65]
• Taipei, Taiwan: The Taipei Marriott Hotel is located in the Yihwa International Complex.^[66]
• Tbilisi, Georgia: The Tbilisi Marriott Hotel was designed to be the most luxurious hotel in Tbilisi in 1915, initially with the name Hôtel Majestic, by Armenian merchant Mikael Aramyants. After several years being converted into a hospital and an office, it became a hotel again in 1939 under the name Hotel Tbilisi. Marriott assumed management of the property in 2002 after an extensive reconstruction.^[67]
• Thundridge, United Kingdom: The Hanbury Manor is a Grade II listed Victorian era manor house and golf course that was converted to a hotel in 1990.^[68]
• Washington, D.C., United States:
  • The Washington Marriott Wardman Park was taken over by Marriott in 1998, before which it was managed by Sheraton. The building's Wardman Tower dates back to 1928 and has been added to the National Register of Historic Places. The hotel closed in 2020 due to the COVID-19 pandemic.^[69]
  • The Marriott Marquis Washington, DC is connected to the Walter E. Washington Convention Center by an underground concourse, and its clientele mostly consists of convention attendees.^[70]
• Yerevan, Armenia: The Armenia Marriott Hotel Yerevan, located near the Republic Square, opened as the government-owned Armenia Hotel in 1959. Following the fall of communism, it was privatized, with Marriott assuming management in 1999. It is the second-largest hotel in the country.^[71]

• Marriott Syracuse Downtown
• Marriott World Trade Center
• Marriott Marquis