Irish Riviera is a slang expression that can refer to any of several seaside communities in the United States with high population densities of Irish-Americans, including:

• Indiana
  • Michigan City, a city in northwest Indiana on the shores of Lake Michigan
• Massachusetts
  • The South Shore, a region south of Boston Harbor along the Atlantic coast, which includes Scituate and Marshfield
    • Marshfield, a town south of Boston in Plymouth County on the Atlantic coast
    • Scituate, a town south of Boston in Plymouth County on the Atlantic coast
    • Squantum, a peninsular area of Quincy, directly south of Boston
• Michigan
  • New Buffalo, A city on Lake Michigan's Gold Coast ^[1]
• New Jersey
  • Avon, a borough in central New Jersey on the Atlantic coast ^[2]
  • Belmar, a borough in central New Jersey on the Atlantic coast^[3]
  • Lake Como, a borough in central New Jersey on the Atlantic coast^[3]
  • Spring Lake, a borough in central New Jersey on the Atlantic coast
  • Sea Girt, a borough in central New Jersey on the Atlantic Coast
• New York
  • Breezy Point, Queens, a neighborhood of the New York City borough of Queens ^[4]
  • Gerritsen Beach, Brooklyn, a neighborhood of the New York City borough of Brooklyn
  • Rockaway Beach, Queens, a neighborhood of the New York City borough of Queens ^[5]