Six Flags Discovery Kingdom
Six Flags Discovery Kingdom is a hybrid theme and animal park in Vallejo, California, about halfway between San Francisco and Sacramento. With a mix of roller coasters, wildlife exhibits, and marine shows, it’s one of the most unique parks in the Six Flags lineup and a great family day trip in Northern California.
History & Background
The park initially opened in 1967 as Marine World in Redwood City. In 1986, it moved to Vallejo and evolved into a marine life and thrill ride hybrid. It joined the Six Flags family in 1999, which brought a surge of new roller coasters and major branding updates. Today, it balances zoo-like animal attractions with high-speed thrills and seasonal events.
Ticket Prices & Packages
One-day tickets generally range from $45 to $70, with better deals available online in advance.
Season passes and memberships offer unlimited visits, free parking, and skip-the-line access on busy days.
Opening Hours & Best Time to Visit
The park operates year-round, though hours and availability vary by season.
Typical operating hours are 11:00 AM to 6:00 PM, with longer hours in summer and for special events.
Best times to visit include spring weekdays, early June, and September, when crowds are lower and the weather is mild.
Top Rides & Attractions
Coasters and Thrill Rides
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Medusa – Long, looping floorless coaster with seven inversions
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Batman: The Ride – Suspended, twisting coaster experience
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JOKER – Hybrid wood-steel coaster with smooth, intense drops
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Boomerang Coast to Coaster – A Forward and backward looping ride
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SkyScreamer – Tower swing ride with sweeping views
Animal Encounters
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Dolphin Harbor – Live dolphin shows with conservation messaging
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Wildlife Discovery – See lions, tigers, giraffes, and exotic birds
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Seal Cove – Watch sea lions play and splash
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Butterfly Habitat – Walkthrough exhibit with free-flying butterflies
Family & Kids
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Thrilla Gorilla – Family coaster
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Tava’s Jungleland – Area with kid-sized rides and gentle attractions
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Wave Jumper – Spinning ride with aquatic theme
Getting There & Parking
Address: 1001 Fairgrounds Dr, Vallejo, CA 94589
The park is just off I-80, easily reachable from San Francisco, Sacramento, and Napa.
Parking is $35, with options for preferred and VIP spots. Public transit is limited, but ferry service from San Francisco to Vallejo is a scenic and popular option, especially in summer.
Dining Options
Six Flags Discovery Kingdom has a variety of quick-service eateries and snack stands.
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Big Belly Burger – Cheeseburgers, fries, and shakes
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Coastal Currents Café – Tacos, burritos, and nachos
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Medusa’s Snacks – Pretzels, churros, and Dippin’ Dots
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Seasonal food booths during events like Fright Fest or Holiday in the Park
All-Day Dining Deals are available and recommended for full-day visits.
Hotels & Accommodation
There are no hotels inside the park, but plenty of options in Vallejo and the surrounding Bay Area.
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Courtyard by Marriott Vallejo Napa Valley – Closest hotel, walking distance
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Holiday Inn Express Vallejo – Comfortable and family-friendly
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Napa Valley Marriott – Upscale option about 25 minutes away
Hotels in Vallejo often offer park packages and early booking discounts.
Tips for Visiting
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Arrive early for Medusa and JOKER, which draw the longest lines
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Bring a refillable water bottle — it gets hot in summer
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Check show schedules when you arrive, especially for animal presentations
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Use the Six Flags app for mobile ordering, ride wait times, and maps
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If you’re coming from San Francisco, consider the ferry-to-shuttle combo