1. Diamond Seafood Palace

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Westminster, CA

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Diamond Seafood Palace

4.1 (112 reviews)
Closed • 10:00 am - 8:00 pm

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Response time

12 hours

Response rate

90%

Services - Diamond Seafood Palace

Bartending services

Catering services

On-site management services

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Recommended Reviews - Diamond Seafood Palace

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Reviews With Photos

Rachelle T.

I came here for a wedding reception and thought the space was very nice to have an event. However, food was okay to me. Our seafood in a bird's nest needed more sauce on the noodles to mi together, so it tasted pretty dry. Chicken salad was nothing special, and honestly I didn't enjoy it. The shrimp balls lacked flavor, even with the sauce. My favorite had to be the spring rolls they were passing around before the bigger portions came. Unfortunately, I didn't care enough to try any of the other dishes that came out.

Traditional cold cuts starter but with honey walnut shrimp and fried squid, loved it
Jay P.

Both as a guest and someone interested in large, cost-effective, and all-inclusive parties Diamond Seafood Palace is amazing. We came for a wedding reception recently and I know why so many of our Vietnamese friends come back over and over for their parties. They have great Asian banquet food and I liked the "twist" they put on traditional wedding foods. An example of this is their appetizer "cold" dish. I never liked this that much but loved how Diamond's version came with honey walnut shrimp and fried squid and not just the normal cold meat and jellyfish. The overall food quality was very good and I liked all of it but the standouts were the roasted duck with buns, crispy Thai chili fish, and fried rice. The event space is very large and they have security outside. The dancefloor and sound system are great for even very large parties and I saw a coordinator constantly making sure everything was going smoothly and even preparing impromptu vegetarian options for a vegetarian table. They allow custom setups as well, there was a cool table with Korean instant ramen and Vietnamese coffee that was definitely specialized for the couple being married. The wedding was lovely and beautiful and the dinner reception was delicious and wild later into the night, thanks in great part to Diamond Seafood.

Kaelyn R.

Came for a baptism reception. My favorite courses were the: assorted cold cuts, which included super plump honey walnut shrimp and crispy fried squid and the roast duck. The duck skin was crispy, with tender and slightly fatty meat that melted in your mouth, I was def impressed. The shaking beef was okay, a little too sweet for my taste. Lobster with garlic noodles was filling but some parts were overcooked. The fried fish towards the end was also excellent! Service was slow to start but coursed out appropriately. Wished they cleared used plates a little faster to make space for each round.

Room layout from the stage (11 round tables of 10 seats each = 110 guests)
Myrnelle G.

I wanted to take a moment to give this spot high praise. I have been planning a big event for months and Brandon was exceptional with communication. He was easily reachable and flexible with all my requests. It was easy booking and with everything pretty much set (tables, chairs, draperies, etc.), anything we brought in was only out of preference (DJ, A/V, decor, desserts, & flowers). Having the set-up ready to go & clean-up support after was incredible! There were a few slight issues that I found out about after the event. Two of the last dishes came late and a few tables stated that it was cold. Since the tables were smaller, dirty dishes accumulated fast! It would have been helpful having one more trash bin near the exit to help with clean-up during dinner. Overall, even with the imperfections, I was happy with our event! Thank you so much! Pros: - Value for your money!!! - 8-course Chinese banquet - Space all decked out & beautiful - Access to LED screen & lighting - Customer service from Brandon - Service onsite from Peter & Thanh - Easy & free parking Challenges: - Noise when other events are next door esp lion dance (suggest to have this be outdoors if possible) - Room temp was quite warm - Shared bathrooms causing some people to enter the wrong event (maybe place signs on doors leading back to event)

House garlic noodles w/ lobster
Jenny N.

I had MY wedding here this past weekend and it was absolutely perfect. The staff made planning/coordinating this wedding so easy. It's hard to find a place that hosts a massive number of people (my wedding had 330 ppl). Everyone at my wedding commented on how beautiful the wedding was- amazing lighting, backdrops for photo ops, and great food. The bartenders were also amazing being able to navigate that many people. It was a dream experience with the Diamond Seafood Palace staff!

X.O. Seafood Fried Rice
Phuonganh P.

The best thing about Vietnamese weddings is hands down the food, of course!!! I want more!

Huy H.

We are grateful to have hosted our wedding at the Diamond Seafood Palace #3. From start to finish, the entire experience was smooth, thoughtful, and above all - stress-free. We had been searching for a venue that could comfortably accommodate 300-400 guests, felt modern and elegant, and offered great value. After speaking with multiple places, the team here stood out immediately for their responsiveness, professionalism, and genuine care, especially Laura, who helped us understand what the venue provided before we booked it. Our ceremony and reception both took place inside the restaurant, and even though another event was happening in a different section of the venue, we barely noticed thanks to the effective soundproofing. The space had a romantic and modern vibe, complete with golden chairs, multiple LED screens showcasing our wedding photos, custom lighting with our names on the dance floor, and a romantic sweetheart table. We were amazed at how much was included: from elegant aisle décor and a red carpet entrance to a seating chart mirror and photobooth. The centerpieces were tasteful and truly brought the whole look together. Guests enjoyed how spacious the venue was and loved the delicious food - with plenty of generous portions and leftovers to bring home. The service was outstanding; every waiter was attentive and efficient, making sure everyone felt well taken care of. A major highlight was our venue coordinator, Anh Bao, who was not only calm and easy to work with, but also accommodating. When we realized last-minute that we had under-ordered beer, he quickly helped us get more without any hassle. If you're looking for a venue that delivers elegance, value, and above-and-beyond service, we can't recommend Diamond Seafood Palace #3 enough. Our wedding day was unforgettable, and this venue played a huge part in making it so special.

Enrico A.

Attended a birthday/graduation celebration over the weekend here. The food was very good. Especially the lobster and the fillet fish dishes. This place was a traditional Chinese place where they served the main dishes one at a time. The only thing that everyone was hoping for is that they serve the fried rice along with the main dishes, instead of at the end. The service that we got from all the servers was the best. They were on top of everything from getting us the food to clearing our used dishes from the tables to create more room. They were also very accommodating. Every time we asked for something, they brought it right way. I would definitely recommend this place as a venue for any kind of celebration.

Staci D.

Thank you Anh Bao Brandon the restaurant manager and his team. He's very patience and professional. He is very responsive and helpful plus very nice. The service was great. Except little AC unit didn't cooperate, everyone was kind of sweaty. Some dishes were little salty. Overall was good. Thank you Anh Bao This is for Diamond Seafood 3

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2 months ago

FOOD POISONING. the food was cold and tasted like it was made 3 days ago and warmed up for me. Yuck. Never again.

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6 months ago

went for my friends wedding this past month and had a great time. loved the lobster noodle and the shaken beef.

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Ask the Community - Diamond Seafood Palace

Are they open for regular dinner ? Only see comments about reception & wedding events?

This is a Wedding events and Banquets Only.

Is there a full bar?

Yes, we offer open bar package

Are you open for lunch and show me the lunch menu?

Our venues are exclusively for events and banquets, including weddings, birthday parties, anniversaries, company events, and more.

Did they reopen for lunch? Menu pics? Has it gotten busier? Hope they survive they have a big space and excellent parking.

Yes, we dined in for lunch last Friday. The single sheet menu is the same as past 12 months.

Don’t See Your Question? Ask Away!

Review Highlights - Diamond Seafood Palace

“Brandon, the manager, is very easy to work with, communicative, detailed, and always responded very quickly.”

Mentioned in 18 reviews

Read more highlights

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Diamond Seafood Palace - venues - Updated October 2026

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