Seki-aji and Seki-saba restaurants in Oita City
- One serving of sashimi ranges from ¥1,430 for Seki-aji at Orochi to Hiiragi to ¥1,980 for Seki-saba at Sajikiza.
- In Saganoseki, the restaurant at Seki-aji Seki-saba Kan is open every day from 10:00, serving seafood bowls with Seki-aji for ¥1,540.
- Seki-aji and Seki-saba must be horse mackerel and mackerel pole-and-line caught in the Hoyo Strait by Saganoseki fisheries cooperative members.
This page lines up 5 places in Oita City where you can eat Seki-aji (horse mackerel) and Seki-saba (mackerel). One serving of sashimi runs from ¥1,430 for Seki-aji at Orochi to Hiiragi, 3 minutes on foot from Oita Station, to ¥1,980 for Seki-saba sashimi at Sajikiza in Miyakomachi. In Saganoseki, where the fish come from, the restaurant of the Seki-aji Seki-saba Kan is open every day of the year from 10:00, and a seafood rice bowl with Seki-aji is ¥1,540.
According to a Ministry of Agriculture, Forestry and Fisheries magazine, only horse mackerel and mackerel caught by pole and line in the Hoyo Strait off Saganoseki by members of the Saganoseki branch of the Oita Prefecture Fisheries Cooperative can be called “Seki-aji” and “Seki-saba” (MAFF “aff” July 2019 issue, page on Seki-aji and Seki-saba, Japanese). The supply is limited, and many places say they can sell out, so if you go in the evening it is safest to book.
In short
- At the source, from lunchtime: Seki-aji Seki-saba Kan (from 10:00, open every day; Seki-aji set meal ¥2,750).
- Near Oita Station, from 1 plate of sashimi: Orochi to Hiiragi (Seki-aji ¥1,430, Seki-saba ¥1,760).
- Private rooms and whole-fish presentation: Sajikiza (all seats are fully private rooms; Seki-aji whole-fish presentation ¥4,800).
- This page does not say whether the staff speak English. Reservations are by web or phone in Japanese.
Checked with official pages on October 19, 2026 (Japan time).
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How to choose a Seki-aji and Seki-saba place in Oita City (origin, price, private rooms)
- At the source in Saganoseki, from lunchtime: Seki-aji Seki-saba Kan (from 10:00, open every day; Seki-aji set meal ¥2,750).
- Near Oita Station, ordering sashimi from 1 plate: Orochi to Hiiragi (Seki-aji ¥1,430, Seki-saba ¥1,760, 3 minutes on foot from the Funai Chuo exit, open until midnight).
- Near Oita Station at lunchtime too: Kotsukotsuan (from 11:30. At lunch, Seki-aji and Seki-saba Ryukyu-don set meals are ¥2,180 each; in the evening, Seki-aji and Seki-saba sashimi are ¥1,880 each).
- Private room and whole-fish presentation: Sajikiza (all seats are fully private rooms; Seki-aji whole-fish presentation ¥4,800, Seki-saba ¥5,800).
- A course for 2 or more: Hachio (a course that includes an assorted Seki-saba and Seki-aji sashimi platter is ¥5,500, food only).
Comparison of prices and booking at 5 Seki-aji and Seki-saba places in Oita City
One serving of sashimi runs from ¥1,430 for Seki-aji (Orochi to Hiiragi) to ¥1,980 for Seki-saba (Sajikiza), and Kotsukotsuan charges ¥1,880 for both Seki-aji and Seki-saba. Click a name to jump to that place’s section.
| Place | Area | Seki-aji and Seki-saba dishes | Booking |
|---|---|---|---|
| Seki-aji Seki-saba Kan | Saganoseki (Shiraki) | Seafood bowl with Seki-aji ¥1,540, Seki-aji set meal ¥2,750 | Restaurant does not take bookings |
| Kotsukotsuan | Funaimachi | Sashimi ¥1,880 each, 8-piece sushi ¥2,380 each | Phone (booking advised after 20:00) |
| Orochi to Hiiragi | Chuomachi | Seki-aji ¥1,430, Seki-saba ¥1,760 | Web or phone |
| Sajikiza | Miyakomachi | Seki-aji sashimi ¥1,800, Seki-saba sashimi ¥1,980 | Web or phone |
| Hachio | Chuomachi | Course with a sashimi platter ¥5,500 | Web or phone |
Prices are tax-included prices checked on October 19, 2026. For the Seki-aji Seki-saba Kan they come from a photo of the in-store menu posted on Google Maps (taken in September 2026), and for the other 4 places from each place’s official site.
Seki-aji Seki-saba Kan (Saganoseki): Seki-aji set meal ¥2,750, open every day from 10:00
At the “Shiraki Kaigan Restaurant” on the 2nd floor of the Seki-aji Seki-saba Kan, the Seki-aji set meal is ¥2,750 and the Ryukyu seafood bowl with Seki-aji is ¥1,540 (¥1,760 with a kurome seaweed soup set). A “Seki-aji, Seki-saba and Seki-buri tasting set” served only on Saturdays, Sundays and holidays is also ¥2,750. The prices come from the Google Maps photo of the tablet menu at the seats (taken in September 2026).
It is on the sea at Shiraki in Saganoseki, at the eastern edge of Oita City. The 1st floor is a direct-sales shop and the 2nd floor is a restaurant overlooking the Bungo Channel. The restaurant does not take seat reservations, and the official notice says the group dining room “Kaiseki Chaya Shirakian” can be booked on weekdays only (Seki-aji Seki-saba Kan official notice, Japanese). A private bath “Shiraki Kaigan no Yu” and an RV park are on the same grounds. The rating on Google Maps is 4.1 (2,929 reviews, checked October 19, 2026).
| Name | Seki-aji Seki-saba Kan |
|---|---|
| Address | 949 Shiraki, Oita City, Oita |
| Hours / Closed | Restaurant 10:00–21:00 (last order 20:30), direct-sales shop 9:00–17:00. Open every day |
| Phone | 097-575-2338 |
| Map | Open in Google Maps ↗ |
| Official site | Open the official site ↗ |
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Kotsukotsuan (Funaimachi): Seki-aji and Seki-saba sashimi ¥1,880, open at lunch too
At Kotsukotsuan, the Seki-aji and Seki-saba sashimi are ¥1,880 per serving each, and the Seki-aji and Seki-saba sushi (8 pieces) are ¥2,380 each. Seki-aji Ryukyu and Seki-saba Ryukyu (fish dressed in a soy-based sauce) are ¥1,580, the Ryukyu bowls are ¥1,980, and a whole-fish sashimi of Seki-aji or Seki-saba is ¥8,800 (a half of each is possible) (single dishes menu on the official site, Japanese). Depending on the season, they are sold under the names “Bungo-aji” and “Bungo-saba”.
A set course including Seki-aji and Seki-saba sashimi starts at ¥3,600 for 1 person (the Mendoshii course) (set courses on the official site, Japanese). Lunch has the Seki-aji Ryukyu-don and Seki-saba Ryukyu-don set meals (¥2,180 each) (lunch menu on the official site, Japanese). The sashimi of Seki-aji, Seki-saba and Kanmuri free-range chicken can sell out, and the shop advises booking if you go after 20:00. It is 10 minutes on foot from the north exit of JR Oita Station and has no car park, so use a paid car park nearby (shop information on the official site, Japanese). The rating on Google Maps is 4.2 (1,343 reviews, checked October 19, 2026).
| Name | Kotsukotsuan |
|---|---|
| Address | 3-8-19 Funaimachi, Oita City, Oita |
| Hours / Closed | 11:30–14:30, 17:00–22:30 (food last order 21:30). Closed Sundays (last day of consecutive holidays) |
| Phone | 097-537-8888 |
| Map | Open in Google Maps ↗ |
| Official site | Open the official site ↗ |
↑ Back to the comparison table
Orochi to Hiiragi, Chuomachi main shop: Seki-aji ¥1,430, 3 minutes on foot from Oita Station
At Orochi to Hiiragi, Seki-aji is ¥1,430 and Seki-saba is ¥1,760, taken from the tank after you order and served as ikezukuri (live sashimi). The fish come straight from Saganoseki Fishing Port, and since some days the shop cannot get them, it advises booking.
It is on the 2nd floor of a building 3 minutes on foot from the Funai Chuo (north) exit of JR Oita Station, with many semi-private and fully private rooms. Reservations are taken by web or phone. There is no car park, so use a coin car park nearby.
| Name | Orochi to Hiiragi, Chuomachi main shop |
|---|---|
| Address | 2-1-23 Chuomachi, Oita City, Oita (2F, Sank Building) |
| Hours / Closed | 17:00–0:00 (last order 23:30). Closed irregularly |
| Phone | 097-538-3007 |
| Map | Open in Google Maps ↗ |
| Official site | Open the official site ↗ |
↑ Back to the comparison table
Sajikiza (Miyakomachi): Seki-aji whole-fish presentation ¥4,800, all seats fully private rooms
At Sajikiza, Seki-aji sashimi is ¥1,800 and Seki-saba sashimi is ¥1,980, and the whole-fish presentation (sugatazukuri) is ¥4,800 for Seki-aji and ¥5,800 for Seki-saba (all in limited quantities). The “Sajikiza sashimi platter” with Seki-aji, Seki-saba, bluefin tuna and more is ¥3,500 (food page on the official site, Japanese).
All seats are fully private rooms: private rooms for 2 or more, and sunken-kotatsu tatami rooms for about 10 up to 60 people. From the entrance of the Miyakomachi entertainment district, walk about 200 m from the Hokke Club, turn left at the Picasso Hall, and it is on the 1st floor on the right. There is no car park, but there are paid car parks nearby. The rating on Google Maps is 4.1 (253 reviews, checked October 19, 2026).
| Name | Sajikiza |
|---|---|
| Address | 2-6-13 Miyakomachi, Oita City, Oita |
| Hours / Closed | 17:00–23:00 (food last order 22:00). Closed irregularly |
| Phone | 097-538-5558 |
| Map | Open in Google Maps ↗ |
| Official site | Open the official site ↗ |
↑ Back to the comparison table
Uo to Sumi to Sake Hachio (Chuomachi): a ¥5,500 course with Seki-saba and Seki-aji
At Hachio, the “Seki-saba and Seki-aji deluxe sashimi platter and autumn ingredients course” is ¥5,500 for food only (10 dishes, for 2 or more), and ¥7,700 or ¥8,800 with all-you-can-drink. The prices are on the course page of the official site (Japanese). A la carte, a photo of the “today’s fish” board on Google Maps taken in April 2026 lists a “Seki-saba and Seki-aji sashimi tasting” at ¥1,958, but it is a day’s board, so check at the shop whether it is served.
From the north exit of Oita Station, go straight along Sento Porta Chuomachi toward Miyakomachi, turn left at the Family Mart corner, and it is on the 1st floor of a building on the left after about 100 m. There is no car park, so use a coin car park nearby. The rating on Google Maps is 4.3 (314 reviews, checked October 19, 2026).
Official information checked: October 19, 2026 (Japan time). Prices and hours may change.
| Name | Uo to Sumi to Sake Hachio |
|---|---|
| Address | 2-7-20 Chuomachi, Oita City, Oita |
| Hours / Closed | Monday–Saturday, holidays, days before holidays 17:00–23:00 (food last order 22:00), Sundays 17:00–22:00 (food last order 21:00). Closed irregularly |
| Phone | 097-574-6227 |
| Map | Open in Google Maps ↗ |
| Official site | Open the official site ↗ |
↑ Back to the comparison table
Sources
12 pages we checked
- Seki-aji Seki-saba Kan: official site, top page
- Seki-aji Seki-saba Kan: notice (about meal bookings)
- Kotsukotsuan: single dishes menu
- Kotsukotsuan: set courses
- Kotsukotsuan: shop information
- Orochi to Hiiragi, Chuomachi main shop: official page
- Sajikiza, Oita Miyakomachi: food
- Sajikiza, Oita Miyakomachi: official site
- Hachio: courses
- Hachio: official site
- MAFF: aff July 2019 issue, Seki-aji and Seki-saba
- Japanese version of this page (日本語版)
Checked with official pages on October 19, 2026 (Japan time).
