The main filming locations for Wedding Crashers were split between Maryland, Washington, D.C., and the Los Angeles area.

Main Maryland locations

  • Inn at Perry Cabin, St. Michaels, Maryland – This waterfront resort on Maryland’s Eastern Shore was used for the primary Cleary wedding reception scenes and several key outdoor moments.
  • Ellenborough Estate, Easton, Maryland – Served as the Cleary family mansion where much of the movie’s family and party action takes place.
  • Assateague Island National Seashore, Maryland – The beach scene with dunes and crashing waves was filmed here, giving the movie its dramatic coastal visuals.

Washington, D.C. spots

  • Lincoln Memorial, National Mall, Washington, D.C. – Used for establishing and character moments in the capital.
  • Other scenes were shot around Washington, D.C., to ground the story in a politically connected world and tie into the Cleary family’s high-profile status.

California filming sites

  • Westminster Presbyterian Church, Pasadena, California – The climactic wedding near the end of the film was shot at this church.
  • Millennium Biltmore Hotel, Downtown Los Angeles – The Biltmore (notably its Gold Ballroom) hosted various interior event and party scenes.
  • Angelus-Rosedale Cemetery, Los Angeles – Used for the cemetery sequence in the movie.
  • Ren-Mar (Red) Studios & Ten 9 Fifty Studios, Los Angeles/Culver City – Additional interior and studio work for the film was completed on these soundstages.

TL;DR: Wedding Crashers was largely filmed in and around St. Michaels and Easton in Maryland, with key scenes in Washington, D.C., and additional church, hotel, cemetery, and studio shots in the Los Angeles area.

Information gathered from public forums or data available on the internet and portrayed here.