Mason's Yard

Duke Street, St James's is a street in the St James's area of the City of Westminster, London. It runs from Piccadilly in the north to King Street in the south, and is crossed by Jermyn Street. Ryder Street joins it on the western side. On the eastern side it provides access to Masons Yard. The upmarket department store Fortnum & Mason occupies the north-west corner.

Indica Gallery was a counterculture art gallery in Mason's Yard (off Duke Street), St James's, London from 1965 to 1967, in the basement of the Indica Bookshop. John Dunbar, Peter Asher, and Barry Miles owned it, and Paul McCartney supported it and hosted a show of Yoko Ono's work in November 1966, at which Ono met John Lennon.

The Franses Tapestry Archive and Library in London is devoted to the study of European tapestries and figurative textiles. It is the world’s largest academic research resource on the subject.

The Cavendish Hotel is a modern 4-star, 230-bedroom, luxury hotel in St James's, London, United Kingdom, facing the restaurant front of Fortnum and Mason on Piccadilly. Across Piccadilly is Mayfair. It is currently known as "The Cavendish London" and it is owned by CapitaLand. Its main entrance is on Jermyn Street, and a side entrance is on Duke Street, St James's. Jermyn Street is an established retail and urban leisure street which has bespoke gentlemen's clothing stores, shoe/bootmakers and barber shops. The hotel gained notoriety during the 1902–1952 management of the self-made hotelier and socialite Rosa Lewis, who was also known as the "Queen of Cooks" and "The Duchess of Jermyn Street"; damaged in the London Blitz, it was torn down in 1962. The present edition of the hotel was built on the site in 1966.

The Matthiesen Gallery is an art gallery in St James's, London, England, founded in 1978 by Patrick Matthiesen, son of Francis Matthiesen, an art dealer of Berlin and London. It operates as both a commercial gallery and an art museum. The gallery is located at 7-8 Mason Yard, Duke Street St James's. An earlier Matthiesen Gallery was operated by Francis, first in Berlin, then in London, after he fled Nazi Germany.

Tramp is a private, members-only nightclub located on Jermyn Street in central London, England. It was founded in 1969 by Johnny Gold, Bill Ofner and Oscar Lerman. The club built a reputation for discretion, banning photography and gossip writers from inside, and is popular with celebrities.

The Nine British Art is a private art gallery in St James's, central London, England. The gallery specializes in British art, with a focus on works from the St Ives group and the post-war period.

Messum's is an art gallery in Bury Street, St. James's, London, with a branch in Marlow, Buckinghamshire and an associated gallery in Tisbury, Wiltshire.

Bury Street is a one-way street in St James's, London SW1. It runs roughly north-to-south from Jermyn Street to King Street, and crosses Ryder Street.

Prestat Ltd is one of London's oldest chocolate shops. It has been awarded two Royal Warrants: from Her Majesty The Queen and Her Late Majesty Queen Elizabeth The Queen Mother.

The Scotch of St. James is a nightclub situated at Mason's Yard, London.Tucked away at the bottom of an alley it served as a prominent nightclub, live music venue and historically significant meeting place for London's rock elite in the 1960s. The club opened on 14 July 1965 at the height of 1960s swinging London scene and soon replaced the Ad Lib Club which closed in November 1966, as a meeting place for the swinging London set and rock musicians. The heritage of the Scotch St. James was referenced when it was relaunched after 25 years of closure in 2012.

Hatchards claims to be the oldest bookshop in the United Kingdom, founded on Piccadilly in 1797 by John Hatchard. After one move, it has been at the same location on Piccadilly next to Fortnum & Mason since 1801, and the two stores are also neighbours in St. Pancras railway station as of 2014. It has a reputation for attracting high-profile authors and holds three Royal Warrants granted by the Queen, the Prince of Wales and the Duke of Edinburgh respectively.