What's happening at the OC Fairgrounds in March
by: Terry Moore
Published: February 23, 2026
COSTA MESA...See what is happeming in March at the Orange County Fairgrounds.
Pacific Coast Sportfishing Show, March 5 - 8
Southern California’s largest fishing tackle, boat, travel and outdoors show returns for its 16th year. Explore eight halls and 250,000 square feet of saltwater and freshwater fishing tackle, boats, travel destinations and everything outdoors. Families and children are welcome. Enjoy bands, activities and a free kids' catch-and-release trout pond.
When: Thursday - Sunday, March 5 - 8
Schedule:
Thursday & Friday, March 5 & 6, noon – 7 p.m.
Saturday, March 7, 10 a.m. - 7 p.m.
Sunday, March 8, 10 a.m. - 5 p.m.
Where: OC Fair & Event Center - All Fairgrounds
How much: General admission is $20, active duty military and children 12 and under are free. Parking is $15.
More info: Visit Pacific Coast Sportfishing
Discovery Day at the Farm, March 6
Discovery Days at Centennial Farm are open to the public and are perfect for parent groups, homeschool groups and more. Groups may participate in the following activities:
- Self-guided tours
- Radish seed planting
- Chick education
- Oxen demonstration
- Crops education
When: Friday, March 6, 9 a.m. - noon
Where: OC Fair & Event Center - Centennial Farm
How much: Free admission and parking.
More info: Visit Discovery Day
Overland Expo SoCal 2026, March 14 - 15
Overland Expo SoCal is the premier overlanding event series in the world for adventure travel enthusiasts. This dynamic event offers hundreds of hours of hands-on classes, expert-led workshops and inspiring talks from renowned speakers and trainers from around the globe. Dive into interactive roundtable discussions, live demonstrations and discover cutting-edge gear. Overland Expo SoCal offers more than 100 hours of incredible programs—that’s 100+ different classes, slideshows, demonstrations and activities.
When: Saturday & Sunday, March 14 - 15
Schedule:
Saturday, March 14, 9 a.m. - 5 p.m.
Sunday, March 15, 9 a.m. - 4 p.m.
Where: OC Fair & Event Center - All Fairgrounds
How much: Weekend passes are $40, single-day general admission is $22, weekend camping passes are $255, children 14 and younger are free. Parking is $15.
More info: Visit Overland Expo
Redo Market, March 20 - 21
Come sip, shop and stroll over 130 vendors throughout three buildings at the OC Fairgrounds, bringing you the best in vintage clothing, surf, home decor, antiques, jewelry and more.
When: Friday & Saturday, March 20 - 21
Schedule:
Friday, March 20, 4 – 9 p.m.
Saturday, March 21, 9 a.m. – 4 p.m.
Where: OC Fair & Event Center - Anaheim Building, Los Alamitos Building, The Hangar
How much: Friday, March 20, early-bird admission 4-6 p.m. $20, 6-9 p.m. $15; Saturday, March 21, 9-10 a.m. $12 and 10 a.m.-4 p.m. $10. Parking is $15.
More info: Visit Redo Market
Scraps to Soil: Build Your Own Worm Compost Bin, March 21
Turn everyday kitchen scraps into nutrient-rich compost with the help of hardworking worms. This hands-on class will help participants feel confident venturing into vermiculture while building a simple mini worm bin to take home.
When: Saturday, March 21, 10 a.m. - noon.; RSVP by March 14.
Where: OC Fair & Event Center - Centennial Farm Silo Building
How much: The class fee is $25 for adults and $5 for children ages 17 and under. All materials needed to create a mini worm compost bin during the class, including worms, are provided. Participants are encouraged to bring a pair of garden gloves.
Refund policy: No refunds will be issued for cancellations made within seven days of a class. For cancellations made prior, only the class fee will be refunded. Booking fees are nonrefundable.
More info: Sign up at Centennial Farm Garden Classes
OC Card Show, March 21 - 22
Buy, sell or trade your sports cards and TCG cards at OC Card Show's biggest event yet! With more than 250 tables split between sports and TCG, enjoy more space to connect, trade and hang out with this great community.
When: Saturday - Sunday, March 21 - 22, 11 a.m. - 5 p.m.
Where: OC Fair & Event Center - Costa Mesa Building
How much: Saturday early access admission is $15; general admission is $10. Sunday general admission is $5. Parking is $15.
More info: Visit OC Card Show
Discovery Day at the Farm, March 24
Discovery Days at Centennial Farm are open to the public and are perfect for parent groups, homeschool groups and more. Groups may participate in the following activities:
- Self-guided tours
- Radish seed planting
- Chick education
- Oxen demonstration
- Crops education
When: Tuesday, March 24, 9 a.m. - noon
Where: OC Fair & Event Center - Centennial Farm
How much: Free admission and parking.
More info: Visit Discovery Day
Citrus for Southern California Gardens: Choosing, Growing and Caring for Trees, March 28
Whether you are planting your first citrus tree or looking to improve the health and productivity of established trees, this informative class led by Isabel Barkman provides practical, region-specific guidance. Participants will learn how to select citrus varieties best suited for Southern California, understand rootstocks and tree size and apply best practices for planting, watering, fertilizing, mulching and pruning. The class also covers seasonal care, common pests, diseases and tips for keeping citrus trees productive year after year. This lecture-based class is designed to build confidence and help gardeners make informed decisions for long-term citrus success.
When: Saturday, March 28, 10 a.m. - noon.; RSVP by March 25
Where: OC Fair & Event Center - Centennial Farm Silo Building
How much: $7 fee covers materials and any handouts.
Refund policy: No refunds will be issued for cancellations made within 48 hours of a class. For cancellations made prior, only the class fee will be refunded. Booking fees are nonrefundable.
More info: Sign up at Centennial Farm Garden Classes