Festa Forever in Rio Vista
2026-08-02 10:30 - 15:00 (America/Los_Angeles) | St. Joseph Church, 130 S 4th St, Rio Vista, CA, 94571, United States
When Azorean Portuguese arrived in the California Delta during the Gold Rush, they brought with them a Medieval tradition that has proved resilient in a sea of constant change: the Holy Ghost Festa. The particulars of this tradition have changed, but its core tenet remains the same: feeding people, for free, as an act of generosity and sharing.

Come for the tradition, stay for the sopas, leave with the memories. Attend the event for a day packed with a parade, feedings, auctions, and raffles.
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Centurion Cali Comp Festival in Isleton
2026-08-07 08:00 - 2026-08-08 18:00 | B & W Resort Marina, 964 Brannan Island Rd, Isleton, CA, 95641, United States
Come out and watch the Centurion Cali Comp Festival – a wake surf competition featuring all of the best athletes! As a stop on the Centurion World Series of Wake Surfing tour, athletes will battle it out on the water for the top spot on the podium.

Enjoy two days of wake surfing with the podium ceremony on Saturday evening. Watch the competition from the shore on the big screen while enjoying food from available vendors.
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Sunset Bat Flyout Paddle at Cosumnes River Preserve (Galt)
2026-08-07 18:30 - 21:00, 2026-08-08 18:30 - 21:00, 2026-08-14 18:30 - 21:00, 2026-08-15 18:30 - 21:00, 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 and 1 more date | 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.

Steel in Motion in Crockett
2026-08-08 10:00 - 16:00, 2026-08-09 10:00 - 16:00 | Carquinez Model Railroad Society, 645 Loring Avenue, Crockett, CA, United States
Join the Carquinez Model Railroad Society for Steel in Motion, our August Open House celebrating the excitement of modern railroading.

Watch long intermodal trains, modern freight service, passenger operations, and a variety of contemporary railroad equipment as our members demonstrate how today’s railroads keep America moving.
Whether you’re a lifelong railfan, introducing your children to the hobby, or simply looking for a unique weekend activity, Steel in Motion offers something for visitors of all ages. Club members will be available to answer questions, explain how the railroad operates, and share the craftsmanship behind the layout. Be sure to stop by our club store to browse model railroad supplies, books, and railroad-themed items.
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Taste of the Delta in Isleton
2026-08-08 13:00 - 16:00 | Delta Diamond Farm, 15175 CA-160, Isleton, CA, 95641, United States
23rd Annual Taste of The Delta – breweries, wineries, restaurants, vintage car show, vendors, and music. More information.

Talk Nerdy and Birdy Trivia in Elk Grove
2026-08-13 18:30 - 20:00 | A Seat at the Table Books, 9257 Laguna Springs Dr #130, Elk Grove, CA, 95758, United States
Join naturalist Gabrielle and bird enthusiast Aaron for a nature-filled trivia event for a great cause! This event is open to all ages.

Support the Friends of the Stone Lakes NWR for Talk Nerdy & Birdy at this nature-themed trivia night.
This evening will celebrate all things nature. Come test your knowledge, learn something new, and support the conservation of one of our region’s key wetland habitats!
Half of all ticket sales will be donated to Friends of the Stone Lakes National Wildlife Refuge! More information.

5th Annual Dreaming of the Islands Market
2026-08-15 11:00 - 16:00 | Crockett Scout Hall, 991 Loring Ave, Crockett, CA, United States
Come spend the day enjoying local Bay Area small businesses, island-style music, Hawaiian food, and plenty of fun for everyone. It’s all about spreading aloha, supporting small businesses, and celebrating together. Both admission and parking is free for this event. More information.

Art in the Park in Martinez
2026-08-16 10:00 - 17:00 | 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.
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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.
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Community BBQ & Clothing & Food Drive in Brentwood
2026-08-29 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.

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!
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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.
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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.
