Notable within the shrine are the retable (circa 1500) to the right of the transept, the High Altar and the Episcopal throne constructed in white Carrara marble.

[citation needed] The national shrine is where many of the Grimaldi Royal members are buried, most recent and notable Prince Rainier III and his wife, Patricia Grace, Princess of Monaco.

Pontifical services take place on the major religious festivals, such as the Feast of Sainte Dévote (27 January) and the National Day of Monaco (19 November).

[citation needed] From September through June, singers of the Cathedral Choir School perform during Catholic Mass every Sunday at 10:00 A.M. Services is also annually celebrated on Saint Nicholas Day on 6 December, when primary children gather for a remembrance of the life of Saint Nicholas.

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