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Seafood lunch spots in Diamond Bar

A seafood lunch that feels like a proper meal instead of a quick, forgettable bite.

Based on 641 Opinions
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Updated May 2026
01
Kyala Sushi & Japanese Cuisine image 1
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Small establishment with authentic Japanese cuisine and a fabulous sushi bar creates a relaxed, home-like atmosphere. Frequented by those seeking fresh, high-quality sushi and rare ingredients, it feels like a genuine slice of Japan. Busy weekends require reservations due to its popularity.

Lunch features a chef's special that changes regularly and a chirashi lunch set that offers a fresh, satisfying option.

Freshness stands out with fish imported from Japan and around the world. The menu includes rare fish, delicately prepared dishes, and a variety of uncommon types of fish alongside standard sushi fare.

People are saying

"The Japanese food here is so fresh and beautifully prepared."

"The seafood here is amazing, thanks to the chef's passion."

"This Lunch Spot's food is fresh, flavorful, and thoughtfully prepared."

Good to know

1

Reservations are recommended on weekends due to high demand.

2

The restaurant can have a long wait, especially during peak hours.

3

Omakase is occasionally offered for special holidays.

02
Little Skewer image 1
Chinese restaurant

Restaurant offers ancient China-inspired decor with live Chinese singing and karaoke that create a lively atmosphere. Small space fills quickly on busy nights, featuring private rooms styled as casitas for groups. Energy ranges from comfortable to loud depending on live performances.

Food comes out quickly during lunch with no wait even on weekdays. The spot stays quiet and never busy at lunchtime.

Grilled oysters and scallops stand out with their rich flavor. Clam vermicelli comes hot and savory, packed with clams. Both oysters and scallops are highly recommended for seafood lovers.

People are saying

"The food here is authentic Chinese barbecue, full of flavor."

"You've got to try the grilled oysters and scallops; they're amazing seafood."

"The service at this Lunch Spot is excellent and friendly."

Good to know

1

The restaurant takes a lunch break between 3-5pm.

2

Expect a long wait on Friday nights with more than four people.

3

Arrive early or be prepared to wait about 20-30 minutes.

03
Silver Spoons Thai BBQ House image 1

Spacious dining area blends modern elegance with traditional Thai artwork and large windows that fill the space with natural light. Atmosphere stays relaxed and homey, inviting quiet dinners and friendly conversations. Clean, well-designed interior sets it apart from typical Thai restaurants.

Lunch options include a la carte dishes with larger portions and better prices than lunch specials. The menu offers variety, encouraging trying different items during midday meals.

Seafood shines in the Thai Titanic Soup, packed with crab, scallop, squid, fish, and shrimp in a spicy Tom yum-like broth. Fried fish pairs well with a crisp apple salad, and rice comes with cooked shrimp alongside Thai dipping sauce.

People are saying

"The food here is fresh and delicious."

"The lunch spot's beef satay appetizer was huge and dinner-sized."

"The seafood here is good and above average."

Good to know

1

Parking is convenient with a spacious lot available.

2

The menu includes a variety of vegetarian options.

3

Curry does not come with rice; an extra charge applies for rice.

04
Ginkgo Katsu image 1
Tonkatsu restaurant

Simple interior with cozy atmosphere and medium-level background music supports easy conversation. Large portions of crispy, tender katsu stand out, including unique cheese katsu options. Outdoor patio offers seating alternative when inside feels warm due to lack of air conditioning.

Lunch specials offer good portions and great value with dishes like chicken katsu served alongside white rice and finely shredded cabbage. Meals combine good quality ingredients at a reasonable price.

Fish katsu stands out with a generous portion in the bento box. The seafood options come with takoyaki, california roll, and house-made sauces, making the meals varied and filling.

People are saying

"I found the food here to be super good and never disappointing."

"I thought the chicken katsu was delicious and so tender."

"The seafood here is super crispy and juicy."

Good to know

1

Parking is limited, but there are designated spots for electric vehicles.

2

The restaurant has a large takeout business, making it popular for quick meals.

3

All food is served in to-go boxes, even for dine-in customers.

05
Yupdduk Diamond Bar image 1
Korean restaurant

Small space with casual, warm atmosphere invites groups to enjoy traditional Korean spicy dishes with adjustable heat levels. Tables feature tablet ordering, making selection easy and efficient. Portions tend to be generous and shareable, supporting communal dining and takeout.

Late lunches fill up with hearty portions that satisfy hunger. The spot suits casual lunch dates with a relaxed vibe.

Fish Cake Soup features a soothing and flavorful broth with a generous amount of fish cakes. It pairs well with other dishes like beef bulgogi stew and is not too salty.

People are saying

"The ramen's broth was soothing and flavorful with a kick."

"This Lunch Spot's rice cakes are flavorful and have a nice texture."

"The seafood here is so flavorful and rich."

Good to know

1

The restaurant's small size means there could be a wait before seating.

2

The ordering process is convenient with tablets at each table for easy browsing.

3

Expect a wait time during peak hours due to limited seating.

06
Curry India Bistro image 1

Large restaurant with an open layout and eclectic decor creates a clean, cozy atmosphere that suits any occasion. Buffet-style setup offers freshly made garlic naan and a variety of dishes, attracting groups and hearty appetites. Space includes separate areas for large parties, enhancing comfort and privacy.

Buffet offers an all you can eat option for lunch. It provides an economical choice with a setup that delivers great value.

Fish curry stands out with rich flavors. Fried fish and fish pakora offer crispy, tasty options alongside other dishes like lentils and spicy garbanzo.

People are saying

"The buffet food was fresh, rich, and flavorful."

"The lunch buffet offers an amazing variety and great value."

"The fish pakora and fish curry were delicious."

Good to know

1

The all-day buffet is available from 11 AM to 7 PM daily.

2

Buffet costs $25 per person and includes about 15 different dishes.

3

The buffet allows you to sample a wide variety of dishes.

07
TOKYO RAMEN & Sushi image 1
Japanese restaurant

Japanese restaurant offers a cozy interior with authentic decorations and a sushi bar. The atmosphere is lively and welcoming, with comfortable seating that suits conversation. A robot server delivers food, adding a unique touch to the dining experience.

Lunch offers a good portion of black ramen with charsu. Meals end with a slice of watermelon and some cookies.

Fresh, thick-cut fish stands out across dishes like the Chirashi Bowl and sushi rolls with a great rice to fish ratio. Shrimp appears in several forms including fried shrimp, tempura, and croquet, adding variety to the seafood options.

People are saying

"The ramen broth here is so flavorful and tasty."

"The ramen broth here is so deep and touches your soul."

"The staff at this Lunch Spot are so nice and accommodating."

Good to know

1

Prices for ramen are around $15-16 before tax.

2

The restaurant offers a dine-in promotion with BOGO 1/2 off.

3

Parking is ample but can be tight in some spots.

08
Mr. Dragon Noodle House image 1

Small noodle shop offers a bright, modern interior with a cozy, vibrant atmosphere. It attracts diners seeking authentic Taiwanese beef noodle soup and generous dumplings. Staff are friendly, and prices stay reasonable throughout the day.

Busy crowds show this spot is a popular choice for lunch. Expect wait times after noon but find it accessible for quick breaks in the city center.

Shrimp dishes stand out with the fried rice offering a hint of salty fish and a strong aroma from the hot wok. Spicy shrimp wontons and shrimp-pork wonton soup add variety to the seafood options.

People are saying

"I considered this my go-to for authentic Taiwanese beef noodle soup."

"This lunch spot's beef noodle soup has tender beef and rich broth."

"The Seafood here is spot on, just like Taiwan."

Good to know

1

The restaurant is closed at 9pm.

2

Credit cards are accepted, making payment convenient.

3

Free parking is available nearby for easy access.

09
Diamond Palace Chinese Seafood image 1

Chinese restaurant with an old layout and quiet atmosphere that fills quickly. Dim sum offers large portions and traditional flavors with a focus on seafood dishes like king crab and roast pigeon. Lighting dims early, creating a calm but somewhat hot interior.

Lunch specials come with nice portions, including soup and iced tea. The spot stays quiet near the end of the lunch hour, making it easy to grab a meal without a wait.

Fresh, tender seafood shines in dishes like deep fried whole fish and crispy noodles with seafood. Portions pack plenty of meat and shrimp, cooked perfectly and full of flavor.

People are saying

"I found the dim sum and other Chinese food to be fantastic."

"The dinner here is delicious, especially the crispy Peking Duck."

"I loved the dim sum at this lunch spot."

Good to know

1

Reservations are not required, but it's best to arrive early to avoid long waits.

2

Expect to pay a minimum tip of 18% on your bill.

3

Parking is available, but the lot can be small and fills up quickly.

10
CHUAN POT image 1
Hot pot restaurant

Hot pot restaurant offers peaceful atmosphere with clean, well-kept interior featuring unique mask decorations. It serves all-you-can-eat options with a variety of soup bases and fresh meats, including large beef portions. The menu is simple, and the place usually has no wait for tables.

Lunch offers a special priced at $25.99 until 4 pm, making it a clear choice for midday meals. The menu shifts to a higher price after 4 pm, marking a distinct price break between lunch and dinner.

Menu includes shrimp and squid alongside beef and lamb. Offers a wide variety of seafood options mixed with vegetables.

People are saying

"The staff here are so welcoming and attentive with the ice cream."

"The seafood soup bases were so delicious and flavorful."

"The service at this Lunch Spot was super great."

Good to know

1

Lunch price is $25.99 until 4 pm, then it increases to $29.99 for dinner.

2

The restaurant offers a variety of meats, seafood, and vegetables for hot pot.

3

All-you-can-eat ice cream is included with the meal.

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Diamond Bar, California

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