Visit the California Delta

Art in the Park in Martinez
2026-08-16 10:00 - 17:00 (America/Los_Angeles) | Susana Park, Susana St & Estudillo St, Martinez, CA, 94553, United States
The Martinez Arts Association (MAA) proudly presents the 55th annual Art in the Park.

This free, family-friendly event will feature more than 65 local artists showcasing fine art and crafts.
Attendees can also enjoy live music, food trucks, and a variety of beverages, including wine and beer. Don’t miss the silent auction, featuring unique items donated by artists and local businesses.
More information.

2nd Annual Catwalk of Courage in Brentwood
2026-08-17 16:00 - 19:30 | Downtown Brentwood, 35 Oak St, Brentwood, CA, 94513, United States
Join Downtown Brentwood for an evening where fashion meets purpose — celebrating healing, strength, resilience, and the power of community as local cancer warriors and their families take the runway in fashions provided by Downtown Brentwood boutiques.

Enjoy a reception, food and drinks, and a fashion show — all while supporting two local nonprofits making a difference in the lives of families impacted by cancer in the community.
Each show begins with a reception at Brentwood’s Co. Co. County Wine Company, then moves to The Delta Theatre for the fashion show — both in Downtown Brentwood.
Tickets are $50 per person. 100% of event proceeds benefit Adventure Therapy Foundation and Dylan’s Dream. More information.

Twilight Community Market in Oakley
2026-08-18 17:00 - 20:30 | Brownstone Gardens, 91 Brownstone Road, Oakley, CA, 94561, United States
Browse a curated selection of local artisans, makers, boutiques, and small businesses while enjoying live music, delicious food, and drinks in the beautiful outdoor setting of Brownstone Gardens.

Bring your family and friends to shop local, support small businesses, enjoy great food, and connect with the community. More information.

12th Annual Hog August Bites in Rio Vista
2026-08-22 10:00 - 23:00 | Downtown Rio Vista, Rio Vista, CA, United States
Downtown Rio Vista will come alive with the sights, sounds, and flavors of the 12th Annual Hog August Bites event, a community celebration designed for families, food lovers, music fans, and car enthusiasts alike. The event promises a full day of entertainment, friendly competition, and local charm.

The event will include live music, the rib and chili cookoff, a car show, the Vendor Village, and a laser light show during the last band!
Organizers are also inviting community members to get involved. Contestant spots remain open for the rib tasting, chili cook-off, and car show, while Vendor Village still has space for craft vendors, informational booths, and nonprofit organizations. Volunteers are also welcome to sign up to help make this year’s event the best experience yet. More information.

The Mercantile Market in Oakley
2026-08-23 10:00 - 14:00 | Downtown Oakley, 3350 Main St, Oakley, CA, 94561, United States
Discover local talent, support small businesses, and enjoy a day of shopping, food, and community connection in downtown Oakley every fourth Sunday at The Mercantile Market by The Makers Boulevard. More information.

Martinez Sesquicentennial Festival
2026-08-29 11:00 - 19:00 | Martinez Marina and Waterfront Park, 7 N Court St, Martinez, CA, 94553, United States
Celebrate 150 years of Martinez at the Sesquicentennial Festival, a one‑day, waterfront‑wide community celebration honoring the city’s history, identity, and spirit. Set throughout Waterfront Park, Joe DiMaggio Field, the marina, and nearby EBRPD spaces, the festival brings together local organizations, families, and neighbors for a full day of music, food, activities, and shared community pride.
This milestone anniversary event is being planned collaboratively with Downtown Martinez & Co., including a partnership with the Bay Area Craft Beer Festival to expand entertainment, activities, and draw from an established regional audience. From interactive zones like bike activities to community‑led programming and volunteer opportunities, the Sesquicentennial Festival is designed to reflect the people and stories that make Martinez home.

Join the city of Martinez from 11 a.m. to 7 p.m. for a once‑in‑a‑generation celebration that honors the past, showcases the present, and inspires the future of Martinez.
More information

Community BBQ & Clothing & Food Drive in Brentwood
2026-08-29 17:00 - 19:00, 2026-09-26 17:00 - 19:00 | Veterans Park, 3841 Balfour Rd, Brentwood, CA, 94513, United States
Rage for Democracy is hosting a free community BBQ to bring neighbors together for food, connection, and local support. The event will include free hot dogs and chips, kid-friendly activities, music, and a beginner gardening class led by local community members.

Guests are welcome to stop by, meet neighbors, learn more about Rage for Democracy’s community outreach programs, and help support local families by bringing food bank-style donations or gently used clothing. The BBQ is part of Rage for Democracy’s ongoing effort to create welcoming, family-friendly spaces where people can connect, share resources, and build a stronger community together. More information.

Sunset Bat Flyout Paddle at Cosumnes River Preserve (Galt)
2026-09-11 18:30 - 21:00, 2026-09-12 18:30 - 21:00, 2026-09-18 18:30 - 21:00, 2026-09-19 18:30 - 21:00, 2026-09-25 18:30 - 21:00, 2026-09-26 18:30 - 21:00 | Cosumnes River Preserve, 13501 Franklin Blvd, Galt, CA, 95632, United States
Wild Spirit Recreation leads a paddle to witness the mesmerizing sunset bat flyout at Cosumnes River Preserve. Guides are experienced California naturalists. A limited number of boats are available. Fees are $76.54 and will be reduced 25% for those providing their own watercraft – message the organizers for a promo code. More information.

Delta Harvest Run in Brentwood
2026-09-13 06:00 - 11:00 | Brentwood Community Centre/City Hall, 35 Oak St., Brentwood, CA, 94513, United States
The Delta Association of Realtors Community Service Foundation hosts the Delta Harvest Run, a cherished community tradition that brings neighbors together to make a difference. This annual race is more than just a run—it’s a powerful way to give back. Every step you take supports East Contra Costa County food banks, shelters, and college scholarships for local high school students.

With flat and fast courses designed for all skill levels, the Delta Harvest Run offers something for everyone! Choose from a half marathon, 10K, 5K, and a bonus Family Fun Run. More information.

Texas Hold 'Em Poker Tournament in Oakley
2026-09-18 18:00 - 21:00 | Oakley Recreation Center, 1250 O'Hara Ave, Oakley, CA, 94561, United States
The Rotary Club of Oakley’s 3rd Annual Texas Hold ‘Em Poker Tournament will raise funds for the Christmas food and toy drive.

Tickets are $80 per player and include a buffet dinner, one drink ticket, and tournament play. Must be 21 years old to play. More information.

Heart of Oakley Festival
2026-09-19 11:00 - 16:00 | Oakley Civic Center Plaza, 3231 Main St., Oakley, CA, 94561
The Heart of Oakley Festival is an annual open air market that brings local makers, families, and community members together.

Join the city of Oakley as it highlights local businesses and community members during this event! More information.

Benicia Oktoberfest & Marketplace
2026-09-19 11:00 - 18:00 | First Street Green, Corner of 1st and E B St, Benicia, CA, 94510, United States
The Benicia Chamber of Commerce presents a day of German culture, food, music, and fun in the heart of downtown Benicia! Raise your steins and celebrate the spirit of Oktoberfest at First Street Green. Whether you’re a fan of bratwurst and beer or simply love a good time with family and friends, this community celebration has something for everyone. Don’t miss this unforgettable celebration of culture and community.

Costumes are encouraged and add to the festive vibe!
More information.

La Gran Fiesta in Brentwood
2026-09-20 12:00 - 19:00 | Brentwood City Park, 710 2nd Street, Brentwood, CA, 94513, United States
La Gran Fiesta brings together families, businesses, organizations, and community members to celebrate Hispanic Heritage Month and strengthen the Brentwood community spirit.

With over 6,500 attendees in 2025, La Gran Fiesta has become one of East Contra Costa County’s premier multicultural community events. Join the Brentwood Chamber of Commerce for a day filled with live entertainment, food trucks, artisan vendors, local businesses, a car show, and family-friendly activities for all.
More information.

Jean Harvie Community Center 100th Anniversary Celebration in Walnut Grove
2026-09-24 13:00 - 16:00 | Jean Harvie Community Center, 14273 River Rd, Walnut Grove, CA, 95690, United States
Join the Rotary Club of Walnut Grove as they celebrate 100 years of community, history, and connection at the Jean Harvie Community Center!

Enjoy an afternoon of historical displays and photographs, community stories, light refreshments, and a chance to reconnect with friends, neighbors, former students, and generations of community members.
Originally built as the Walnut Grove School in 1926, the Jean Harvie Community Center has been a cornerstone of the Delta for generations. From school days to community gatherings, celebrations, and special events, countless memories have been made within its walls. The Rotary Club of Walnut Grove invites you to help honor this historic milestone and celebrate the people and stories that have made this building so special. More information.

Boots & BBQ in Antioch
2026-09-26 11:00 - 18:00 | Waldie Plaza, Waldie Plaza, Antioch, CA, 94509
Celebrate Antioch Foundation proudly presents the Boots and BBQ Festival. This event will feature live music, an amateur BBQ cook off competition, a cornhole tournament, line dancing with instruction, a kid zone, and a shaded beer and wine garden. Browse unique creations from our artisan vendors, sip your favorite beer or wine, and enjoy an unforgettable afternoon.

More information.

Rio Vista Bass Derby Fishing Tournament
2026-10-02 06:00 - 2026-10-04 15:00 | Rio Vista Bass Derby, 33 N 2nd St, Rio Vista, CA, 94571, United States
Salmon is officially back on the roster for the 78th Annual Rio Vista Bass Derby, the oldest bass fishing tournament on the West Coast. This year’s three-day tournament combines high-stakes competition with a celebrated homecoming for West Coast anglers.
ADULTS: $50 to Enter. Fishing for Striped Bass: Each participating angler must purchase a ticket. Each adult angler must be 16 years or older. Hats are limited to the first 300 – first come, first served.
KIDS: $10 to Enter. Fishing for Striped Bass & Catfish: Each angler must be 15 years of age or younger and can weigh-in Striped Bass or Catfish. The first 50 ticket holders are eligible to receive a “Kids” Derby Hat.
More information

The Sacramento Century Challenge and Festival
2026-10-03 07:00 - 16:00 | Capitol Mall, Capitol Mall, Sacramento, CA
The Sacramento Century Challenge is the region’s premier cycling event, with 1,000+ riders annually. Presented by the Rotary Club of Sacramento, the 13th annual Sac Century Challenge will benefit the Sacramento Children’s Home Crisis Nursery program, which protects kids from child abuse and neglect.

The bike ride starts from Capitol Mall in downtown Sacramento and winds through the scenic Delta wine region to Isleton, then back to the Mall. There are four different routes: 100 mi., 63 mi., 36 mi., 16 mi.
There is a post-ride festival with live music, food, and beer and wine vendors. Ride or check out options for sponsoring, volunteering, or supporting this fundraiser for the Sacramento Children’s Home Crisis Nursery. More information.

Kids Fishing Derby in Antioch
2026-10-10 09:00 - 13:00 | Waldie Plaza, Waldie Plaza, Antioch, CA, 94509
The fishing derby provides the opportunity for kids 15 and younger to learn conservation and the basics of fishing competition that may spur an interest in future events. It is held in the memory of Antioch resident “Compy” Compomizzo, who inspired the mission statement: “Get kids hooked on fishing, not drugs or gangs.”
Register the day of the event to join in on this exciting afternoon filled with great catches! More information.

Note: If you have your own fishing poles, please bring them. For those who do not have fishing equipment, there will be poles for you to borrow.

The 2nd Annual Whiskey, Wine & Family BBQ in Brentwood
2026-10-10 13:00 - 17:00 | De Luna Ranch, 7540 Balfour Rd., Brentwood, CA, 94513, United States
This is the 2nd annual St. Anne’s Women’s Fellowship BBQ at De Luna Ranch.

It’s fun for the whole family as the experience includes wine and whiskey tastings. This event includes food, music, line dancing, and fun designed for the younger members in the crowd. Tickets are $70.
Special pricing for kids under 16 and for families and special meal for those under five. More information.

MOMS Club's Trunk or Treat in Antioch
2026-10-10 14:00 - 16:30 | Antioch Community Center, 4703 Lone Tree Way, Antioch, CA
Join the MOMS Club for a family-friendly afternoon of Halloween fun while supporting a local nonprofit! This year’s Trunk or Treat will benefit Be Exceptional Programs, which provide inclusive and adaptive programs for individuals with disabilities and their families. Admission is free, but preregistration is encouraged so we can plan for attendance, candy, and supplies. Optional donations will benefit Be Exceptional Programs. More information.

Families can look forward to:
🚗 Decorated trunks
🍬 Candy and non-candy treats
🐐 A petting zoo
🧩 Sensory-friendly activities
🎯 Children’s games and activity stations
🍧 Food vendors
🏆 Crowd-favorite trunk voting
🎃 More seasonal fun to be announced!

Digs & Rigs in Brentwood
2026-10-17 09:00 - 13:00 | Cornerstone Church Parking Lot 6641 Lone Tree Way Brentwood CA
Digs n’ Rigs is a hands-on family event sponsored by The Rotary Club of Brentwood.

This opportunity provides children of all ages the chance to explore vehicles of all types! Get up close to a variety of commercial and emergency vehicles. Tickets are $7.18. More information.

All Abilities Day in Oakley
2026-10-20 10:00 - 13:00 | Big Break Regional Shoreline, 69 Big Break Rd, Oakley, CA, 94561
Explore nature at your own pace and in your own way. This program is inclusive for all abilities, offering something for everyone! Travel along paved trails to visit stations to touch fur, listen to birds, draw wildlife, sit on benches to scan the water, or paint the view.

Hands-on experiences
Indoor and outdoor options
ASL & Spanish Interpreters on site
Wheelchair accessible

More information.

Día de Los Muertos Celebration in Antioch
2026-11-01 15:00 - 19:00 | Nick Rodriguez Center, 213 F St, Antioch, CA, 94509, United States
Join the City of Antioch Recreation Department for the fourth annual Día de Los Muertos Celebration at the Nick Rodriguez Community Center. Take part in displaying your own personal altar while enjoying live dance and musical performances, youth crafts, food options from local markets and businesses, face painting, a Catrina contest, and much more!

Día de Los Muertos, or the Day of the Dead, is an annual Central American holiday occurring Nov. 1-2 that celebrates the lives of deceased relatives. Traditionally, families come together to create offerings as a way to honor loved ones who have passed on and encourage them to visit from the land of the beyond to join in on the celebration.
Altars built by individual community members, local businesses, and community organizations will be on display at the Nick Rodriguez Community Center Thursday, Oct. 29-Sunday, Nov. 1. More information.
