[Summer Vacation Event] Experience the mysterious light! Umihotaru Appreciation & Ecology Lecture

Enjoy the fantastic blue and white light of Umihotaru
Grand Mercure Awaji Island Resort & Spa will hold a “Umihotaru Appreciation Party” for a limited time during the summer vacation.
Umihotaru, which emits blue and white when stimulated, is also called "the jewel of the sea" because of its fantastic light.
Please take a look at the shining figure of Umihotaru in front of you and spend a memorable moment as one of the summer memories.
Umihotaru Appreciation Party
- Period
- From August 20, 2025 (Wednesday) to August 22, 2025 (Friday)
- Time
- From 20:30 to about 30 minutes
After watching the DVD of Umihotaru, you will see how it actually glows blue and white. - Venue
- 1st floor special corner
About Umihotaru

Umihotaru image of the coast
Sea fireflies are about 3 mm long and are a companion of shrimp and crabs.
It is nocturnal and travels in the sand of the sea during the day, and when it gets dark, it comes out of the sand and works.

Image of Umihotaru capture
The habitat is a calm inner bay with waves, where fresh water (such as rivers) is low.
Near the hotel, it has been found on Ama Coast and Ibi Coast.

Umihotaru Lighting Image
When stimulated, it emits a blue light emitter and shines brightly, and it is also called "the jewel of the sea" because of its glowing appearance.
Reservations for Grand Mercure Awaji Island Resort & Spa
After searching for accommodation date and number of people, choosing a room, choose "Deal and/or Package Charges" and choose a plan with all-inclusive description in your meal items.
ALL – Accor Live Limitless members receive a 5% off stay at any time of the year and enjoy exclusive benefits for reward points, hotel stays, meals, lifestyle, and more.
Please click here now or scan the QR code below to register for free and enjoy the world of exclusive benefits.