Jackson County Fair — Oct 18–25, 2026, in nearby Pascagoula. A week of carnival rides, fair food, exhibits, and family attractions at the Jackson County Fairgrounds, 2902 Shortcut Rd.
Sacred Heart D'Iberville 100th Annual Parish Bazaar — Oct 23–25, 2026: a century-old parish tradition with food, games, and music at Sacred Heart Catholic Church, 10446 Le Moyne Blvd., starting Friday at 5:30 p.m. through Sunday.
D'Iberville Trunk or Treat — Oct 24, 2026: a free community Halloween event with decorated trunks and candy, 5:30–7:30 p.m., at the Bobby Eleuterius Sports Complex.
Gulf Coast Veterans Parade — Nov 7, 2026: a free annual parade honoring veterans with military groups, marching bands, JROTC units, and patriotic floats, starting at 11 a.m. in D'Iberville.
17th Annual Gobble Wobble Food Drive & Bridge Run — Nov 21, 2026: a festive run-walk-roll across the Biloxi Bay Bridge pedestrian pathway in nearby Ocean Springs, with food donations benefiting Back Bay Mission in Biloxi, hosted by the D'Iberville-based NorthBay Civitan club.
D'Iberville Christmas Parade and Santa's Workshop — Dec 2026 (dates TBA; typically early December), Town Green, D'Iberville. A holiday parade with decorated floats and music, plus Santa's Workshop offering children's crafts, cookie decorating, and letters to Santa.
Civitan Clergy Appreciation Week Candlelight Vigil & Reception — Feb 1, 2027: an evening candlelight program honoring local clergy at the D'Iberville Town Green Building, presented by the NorthBay Civitan club.
North Bay Mardi Gras Association Parade — Feb 2027 (dates TBA; typically early February). A family-oriented parade that starts in St. Martin and ends in D'Iberville, the only bi-county Mardi Gras parade on the Mississippi Gulf Coast.
19th Annual Civitan Special Needs Family Egg Hunt & Lunch — Mar 6, 2027: a free event for families of youth with intellectual and developmental disabilities, with games, giveaways, and photos with the Civitan Bunny, at the City Hall Complex Courtyard on Automall Parkway.
D'Iberville BBQ Festival — Mar 2027 (dates TBA). A free, family-friendly festival with a BBQ cook-off, live music, and public voting in the People's Choice Award for best barbecue.
Gulf Coast Fair — Mar–Apr 2027 (dates TBA; typically late March–early April), in nearby Biloxi. A classic American fair at the Mississippi Coast Coliseum with midway rides, fair food, and family attractions.
D'Iberville Fishing Rodeo — May 2027 (dates TBA). A fishing tournament held at the marina under the I-110 bridge, revived by the city after a ten-year absence.
Mississippi Songwriters Festival — Sep 2027 (dates TBA; typically September), in nearby Ocean Springs and Gautier. Four days of free live original music from ~200 singer-songwriters at venues across both cities.
Cruisin' the Coast — Oct 3–10, 2027, in D'Iberville and across Coastal Mississippi. A weeklong "America's Largest Block Party" with 10,000+ classic, antique, and hot rod vehicles cruising Highway 90.
(Festival dates change — confirm with event organizers before making plans.)