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Group and Event Travel in California

Business travel to California often requires large-capacity hotels, whether for conferences in San Francisco, medical and biotech meetings in San Diego, or events near the convention centers in Anaheim and Los Angeles. The biggest hotels in the state are spread across these metros, offering the room count and on-site space that group travel demands. That includes corporate events and multi-day conferences, as well as small and mid-sized businesses and trades like construction booking room blocks for project crews. Engine lists these hotels alongside the rest of California's inventory, with pre-negotiated rates and consolidated invoicing, and Engine Groups handling bookings of 9 or more rooms.

Showing 50 properties (sorted by distance)

Why no public rates?

Hotel partners contractually require business-email verification before showing the negotiated B2B rate. Hotel partners offer Engine exclusive business-traveler rates that aren't available to the public.

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Frequently asked questions

Can I book one of the biggest hotels in California for a single business traveler, or are they only for groups?
Yes, the biggest hotels in California work for individual business travelers as well as groups. You can search, compare, and book properties like Hilton San Francisco Union Square or Manchester Grand Hyatt San Diego on Engine for a single room or a full team stay. For 8 rooms or fewer, booking is self-serve on the platform; for 9 or more rooms, Engine Groups handles the booking.
Which California cities have the biggest hotels?
San Francisco, San Diego, and Anaheim are home to some of the biggest hotels you can book in California. Hilton San Francisco Union Square has 1921 rooms, Manchester Grand Hyatt San Diego has 1628 rooms, and Hilton Anaheim has 1572 rooms. Other cities with high room counts include Los Angeles, Sacramento, and San Jose.
How does billing work if I'm booking big hotels in different California cities throughout the year?
Engine offers consolidated invoicing, so you get one invoice for multiple bookings across San Francisco, San Diego, Anaheim, or any other city in California. You also have multiple payment options and there's no membership fee. This streamlines accounting for teams who travel often or book stays in several locations.
What amenities do the biggest hotels in California usually have?
Hotels with high room counts often have meeting space, event rooms, on-site dining, and parking, though amenities vary by property. Many can accommodate both individual travelers and groups under one roof. Check the property details on Engine to see what's available at each hotel.
What room count makes a hotel one of the biggest in California?
Hotels with more than 1500 rooms typically lead the list of the biggest hotels you can book in California. Hilton San Francisco Union Square has 1921 rooms, Manchester Grand Hyatt San Diego has 1628 rooms, and Hilton Anaheim has 1572 rooms. These properties offer the capacity and infrastructure for both individual stays and group bookings.

Biggest hotels in other states