Top Things To Do In Diamond Bar, CA

500+ deals

Make this festive season unforgettable with an Experiences Groupon Gift Card!

What others are saying

Ahmed
7, Sep
Round-Trip Boat Ride to Catalina Island Valid Mon-Fri (Valid through 2/28/2026)
It was fast and on time. Looked like there are not enough sitting places
Round Trip Ferry Tickets on The Catalina Flyer Boat from Newport Beach
Adrian
25, May
Single-Day Admission Ticket for One Adult; valid Any Day, May 2-26, 2025
Meet awesome people
Admission to 2025 Oktoberfest: DJ, Beer, Food, Shopping, Car Show!
Lori
16, Sep
LIMITED TIME PROMO: BUY A DAY, GET A 2nd DAY FREE! Tickets
Was excellent experience!
Witness Halloween Horror Nights at Universal Hollywood in California
Adrian
17, Sep
SPECIAL PROMOTION: After 3pm Admission
Super easy to use had a blast with the family at the aquarium
Aquarium of the Pacific: Admission for All Ages Up to 33% Off
Valeriy
18, Sep
90-Minute Electric-Boat Rental on Newport Harbor for 8 People; Valid Monday–Friday
We are excited fly on the boat. Fresh ear. Beautiful view around.
Electric-Boat Rental from Newport Fun Tours
Debbie
18, Sep
One Adult Ticket (Ages 12+)
It was awesome!
Pirates Dinner Adventure Buena Park Tickets!

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