What is Umihotaru?
Umihotaru is a parking area (PA) on the "Tokyo Bay Aqua-Line" that connects Kisarazu City in Chiba Prefecture and Kawasaki City in Kanagawa Prefecture.
It is the only offshore parking area in Japan, built on an artificial island floating in the middle of Tokyo Bay, and is famous as a scenic spot.
Visitors can enjoy the expansive blue sea during the day and the beautiful night views at night, attracting many tourists.
Here, we will introduce in detail the highlights, gourmet offerings, and access information of Umihotaru!
The Charm and Enjoyment of Umihotaru
1. Enjoy a 360-degree panoramic view
Located right in the middle of Tokyo Bay, Umihotaru is surrounded by the sea.
On a clear day, you can see Tokyo Skytree and Mount Fuji, making it a true observatory on the sea!
Recommended Viewing Spots:
- 5F Observation Deck (a spectacular point with a great sense of openness)
- 4F Glass-enclosed Observation Floor (enjoy the scenery regardless of the weather)
2. Savor the Specialty Gourmet of Umihotaru
Umihotaru offers a variety of local gourmet foods that can only be tasted here!
Recommended Gourmet at Umihotaru
- Asari Man (a meat bun packed with Chiba's famous clams)
- Seafood Bowl (enjoy fresh seafood!)
- Kisarazu Burger (a local burger made with ingredients from Chiba Prefecture)
- Melon Bread Ice Cream (a popular dessert with freshly baked melon bread and ice cream)
3. Learn About the Technology of the Tokyo Bay Aqua-Line
Umihotaru also features an exhibition area where you can learn about the construction technology of the Tokyo Bay Aqua-Line.
At the "Umihotaru Gallery," you can learn about the construction of the underwater tunnel and artificial island in Tokyo Bay.
Highlights:
- Model cutter of the shield machine used in construction
- Documentary video of the Aqua-Line's construction
- Technical explanation panels of the underwater tunnel
4. Take Commemorative Photos at Photo Spots!
Umihotaru has many unique photo spots.
Capture photos that can only be taken here and create memories of your trip!
Recommended Photo Spots:
- 5F "Bell of the Sea" (a romantic bell you can ring with the sea as the backdrop)
- "Aqua-Line-kun" Giant Object (mascot character of the Aqua-Line)
- "Bell of Happiness" (said to bring good luck when rung with a partner or friend)
5. Enjoy Seasonal Events
Umihotaru hosts various events each season.
For example, Christmas illuminations and summer fireworks festivals offer special seasonal enjoyment.
Examples of Past Events:
- Illumination light-up (winter)
- Limited-time local gourmet fairs
- Character shows (family-friendly)
Access to Umihotaru
Access by Train and Bus (Public Transportation)
Direct buses are available from Tokyo Station and Yokohama Station.
- From Tokyo Station (about 40 minutes): Express bus via Tokyo Bay Aqua-Line
- From Yokohama Station (about 45 minutes): Use Keikyu Bus
- From Kisarazu Station (about 20 minutes): Accessible by local bus
Access by Car (Recommended!)
As Umihotaru is a highway parking area, visiting by car is the most convenient!
- From Tokyo: Shuto Expressway Bayshore Route → Tokyo Bay Aqua-Line → Umihotaru
- From Chiba: Tateyama Expressway → Kisarazu JCT → Tokyo Bay Aqua-Line → Umihotaru
Parking:
- Free (available 24 hours)
- Can accommodate over 500 regular vehicles!
Convenient Information for Travelers
Wi-Fi and Facility Information
- Free Wi-Fi available (free Wi-Fi spots available)
- Convenience store (open 24 hours)
- Well-stocked souvenir shops! You can buy Chiba & Kanagawa specialties
Language Support
- Brochures available in English, Chinese, and Korean
- Some staff can speak English
Summary and Frequently Asked Questions
Summary
Umihotaru is a unique tourist spot located in the middle of Tokyo Bay!
With breathtaking views, gourmet offerings, and exhibitions on Aqua-Line technology, it offers many attractions not only as a rest stop during your drive but also as a tourist destination.
Frequently Asked Questions
Q: Is there free admission to Umihotaru?
A: Yes! Parking is also free, and only the toll for the Tokyo Bay Aqua-Line is required.
Q: How long can I stay?
A: Many people stay for 1 to 2 hours on average, but you can spend more than 3 hours if you want to enjoy the views and gourmet leisurely!
Q: What are the opening hours of Umihotaru?
A: The parking area is open 24 hours, but some restaurants and shops have different hours (most are from 8:00 to 22:00).
Q: Can I enjoy it on a rainy day?
A: Yes! There are plenty of indoor areas, so you can enjoy it comfortably even in the rain.
When visiting Tokyo or driving towards Chiba or Kanagawa, be sure to stop by Umihotaru!
