Wonderful Sea Grapes Experience Comes to Ikebukuro Sunshine City!

Exciting Sea Grapes Experience at Ikebukuro Sunshine City

The popular sea grapes theme park, "Uminchi," is making its grand debut at Ikebukuro Sunshine City from May 23 to June 1, 2025, during the 16th Sunshine City Okinawa Mensore Festival. This is a fantastic opportunity for visitors in Tokyo to engage in thrilling sea grape activities that are only available at Uminchi, located in Itoman City, Okinawa.

About Uminchi

"Uminchi" is Japan's first theme park dedicated to sea grapes, offering an extensive range of experiences that showcase this unique sea vegetable. Managed by Japan Biotech Co., Ltd., the park combines fun with education, allowing visitors to engage in sea grape harvesting and even enjoy delicious sea grape products. This experience has attracted around 20,000 visitors yearly, making it a hot topic on television.

Key Experiences at Uminchi

1. Sea Grape Harvesting Experience
This unique activity transforms the classic goldfish scooping into an exciting sea grape harvesting session! Using a dedicated scooper, guests can catch fresh sea grapes and take home their bounty based on how much they harvest. All family members, from children to adults, can have fun participating.
Cost: 1,000 yen per session.

2. Fresh Sea Grape Soft-Serve
Another highlight is the fresh sea grape soft-serve, which is making its first appearance outside Okinawa! The creamy sweetness combined with the refreshing saltiness of sea grapes makes it an irresistible treat. Many people travel long distances just to try it out.
Cost: 800 yen per serving.

3. Plump Sea Grapes (Puchi Shaki Type)
Featuring a revolutionary two-year shelf life, this special sea grape product retains a crunchy stem, providing a delightful texture that enhances meals. Known for its nutritional benefits as a superfood, adding these sea grapes to everyday dishes can easily elevate them. Each individual pack is designed for convenience and comes with a zipper for easy storage.
Cost: 600 yen per pack.

Festival Details

The 16th Sunshine City Okinawa Mensore Festival will be an extraordinary event filled with culture, food, and fun activities.

- Dates: May 23 (Fri) - June 1 (Sun)
- Hours: 11:00 AM - 8:30 PM (last day until 8:00 PM)
- Organizer: Sunshine City
- Co-hosts: Onna Village and the Onna Village Tourism Association
- Sponsors: Orion Beer Co., Ltd. and Sanyo Bussan Co., Ltd.

For more details, check the event website here.

Conclusion

The Uminchi theme park represents a beautiful blend of Okinawa’s culture and unique sea grape offerings, providing visitors in Tokyo an experience that celebrates this remarkable sea vegetable. Everyone is encouraged to come join in the fun, explore these fascinating activities, and indulge in delicious treats at Sunshine City. Don’t miss this limited-time opportunity to enjoy sea grapes directly from Okinawa!

About the Managing Company

Japan Biotech Co., Ltd. has been at the forefront of sea grape cultivation since its establishment in December 1985. They are dedicated to promoting Okinawan ingredients and operating the Uminchi theme park to further highlight the allure of sea grapes.