Umibudo The Jewels of the Sea

Umibudo, which resembles tiny clusters of grapes, is a seaweed formally known as sea grapes. Pop them in your mouth and the little beads burst, releasing a faint saltiness and the scent of the sea, a delicacy found only in Okinawa. Sometimes called green caviar, it draws fans with its beautiful appearance and singular texture.

Highlights

The greatest charm of umibudo is, above all, its bursting texture. Each bead glows a translucent green, and the sensation of them popping in your mouth is like nothing else. Low in calories and rich in minerals, it pleases health conscious diners. The classic way is to dip it in a vinegar sauce or ponzu.

Enjoying the Seasons

Umibudo is cultivated in warm seas and enjoyed year round, yet its cool mouthfeel is especially welcome in the hot season. Chilling it too long in the refrigerator shrivels the beads, so keeping it at room temperature is the rule. A quick rinse just before eating revives its plump, crisp texture.

Access and Basic Information

Cultivation techniques for umibudo are said to have been established in Onna Village in the 1990s, and today Onna Village and Kumejima are known as major production areas. Coastal areas in the central part of the island are dotted with farm stands and eateries serving it fresh. You can also buy it at Naha markets and souvenir shops, with many packs that travel at room temperature. Restaurants serve it over rice bowls or as a garnish for sashimi.

Practical Travel Notes

To fully enjoy the popping texture of umibudo, tasting it fresh in a production area is best. Onna Village, regarded as the birthplace of its cultivation, has farm stands and eateries and sits conveniently along the route to northern sights such as the Churaumi Aquarium. Served as a rice bowl, umibudo don lets you enjoy it with rice as a hearty main. For a souvenir, packs that travel at room temperature are convenient, but note that refrigeration shrivels the beads. A quick rinse just before eating revives the texture of umibudo you have taken home. As a refreshing plate in the hot season, pairing it with awamori at an izakaya is also a fine idea.

A Quick Tip

The trick is to add the dressing just before eating. Pouring it on too early causes the beads to shrivel through osmosis. Go easy on the sauce and let the seaweed own gentle saltiness shine to better enjoy its delicate sea flavor. When taking it as a souvenir, remember to carry it at room temperature and avoid refrigeration.

Practical Information for Your Visit

• When it is in season: Pride Fish, run by the national federation of fisheries cooperative associations, gives the season as September to April (shipped year-round) and notes that, since the ideal water temperature for growth is around 24 degrees C, the bunches are fullest and best in spring and autumn.
• Main producing area: The Onna Village fisheries cooperative established the cultivation technique around 1994, and Onna Village is certified as a designated production center for sea grapes.
• Where to buy it: Onna no Eki Nakayukui Ichiba (1656-9 Aza Nakadomari, Onna Village, 098-964-1188) / 10:00-19:00, open every day of the year.
• Where to eat it: Ganso Umibudo (6092-1 Onna, Onna Village), featured by OKINAWA41 from the Okinawa General Bureau of the Cabinet Office / 11:00-21:00, closed on Tuesdays. About 5 minutes by car from Manzamo.
• Points to note: Pride Fish advises storing sea grapes at room temperature, with 20 to 27 degrees C being ideal.

Note: Opening hours and prices vary from shop to shop.

(Sources: Pride Fish, Okinawa Umibudo (Caulerpa lentillifera); Onna no Eki Nakayukui Ichiba official website; OKINAWA41 (Okinawa General Bureau, Cabinet Office))

Information Sources

This article is compiled from tourist information for Okinawa Prefecture together with information published by the individual establishments. Prices, menus and seasonal availability can change, so please check the official information of each establishment for details.

Sightseeing Checklist

• Budget guide: Small packs are affordable; a rice bowl costs around 1,000 yen
• Where to eat it: Restaurants, izakaya pubs and souvenir shops across Okinawa Prefecture
• Recommended time of day: Both midday and evening. As an appetizer or on a rice bowl
• Avoiding the crowds: Easy to buy as a souvenir as well
• Enjoy it together with: Sanbaizu vinegar dressing or ponzu, umibudo rice bowls, and the seafood of Okinawa