[Sado Kisen] Car Ferry Onboard Mystery Solving Event "The Mystery of the Message Bottle Drifting on the Waves" Held
Sado Kisen is holding a limited-time mystery-solving event on its car ferries. The aim is to make the ferry journey to Sado Island more enjoyable for passengers and to promote the island's attractions, including the World Heritage Sado Gold Mine. It offers a new experience for families and mystery-solving fans.
📋 Article Processing Timeline
- 📰 Published: May 13, 2026 at 22:00
- 🔍 Collected: May 13, 2026 at 13:31
- 🤖 AI Analyzed: May 13, 2026 at 14:05 (33 min after Collected)
Sado Kisen Co., Ltd. (hereinafter "Sado Kisen") will hold a mystery-solving event on board its car ferries traveling from Niigata Port to Ryotsu Port.
This event is planned with the aim of making the boarding time more enjoyable, and it is designed to be enjoyed not only by families and friends but also by mystery-solving fans.
The mystery-solving begins by picking up a kit installed on board after boarding. While challenging the problems written in the kit, participants will also search for "keys to solve the mystery" scattered throughout various locations on the ship, and proceed to solve the mystery based on the clues. Will challengers who unravel all the mysteries appear...?
Sado Island offers a variety of attractions, including historical heritage sites such as the Sado Gold Mine, which is registered as a World Heritage Site, as well as nature unique to each season, traditional culture, fresh seafood and local cuisine, and various sports activities.
Sado Kisen has been running TV commercials for "Sado Island, Never Forget." in the Tokyo metropolitan area and Niigata Prefecture since last year, and is also widely promoting the charms of Sado Island through its website "Sado Times."
Through this event, we hope that the time spent traveling to Sado Island by ferry will become a fun and memorable moment for families and friends.
## Event Overview
- **Event Period:** May 20, 2026 (Wednesday) - October 31, 2026 (Saturday)
- **Exclusion Period:** August 8 (Saturday) - 16 (Sunday) and September 19 (Saturday) - 23 (Wednesday/Holiday)
- The event may be canceled suddenly due to weather conditions on the day.
- **Location:** Inside car ferries departing from Niigata Port and bound for Ryotsu Port (Okesa Maru, Tokiwa Maru)
- **Applicable Services:** Limited to Niigata departures at 9:25 and 12:35
- **Participation Fee:** Free (no reservation required)
- **How to Participate:** Please pick up a mystery-solving kit from the designated location near the onboard information desk.
- The number of kits available varies by service, and distribution will end once supplies run out.
- We kindly request that each person uses one kit (a series of kits).
- **Clear Bonus:** Participants who clear the mystery will receive a participation prize.
- Participation prizes are limited in quantity. Distribution will end once supplies run out.
- This event's content production is handled by Nazotoki Adventure, which develops mystery-solving games nationwide, not just in Niigata Prefecture, and opened "Nazotoki Entertainment Space Wonder Lab," a permanent mystery-solving store in Niigata City, in April last year.
- Click here for Sado Kisen's travel products:
https://www.sadokisen.co.jp/trip-top/?sfid=19
- "Sado Times" web media promoting the charms of Sado:
https://sadotimes.sadokisen.co.jp/
This event is planned with the aim of making the boarding time more enjoyable, and it is designed to be enjoyed not only by families and friends but also by mystery-solving fans.
The mystery-solving begins by picking up a kit installed on board after boarding. While challenging the problems written in the kit, participants will also search for "keys to solve the mystery" scattered throughout various locations on the ship, and proceed to solve the mystery based on the clues. Will challengers who unravel all the mysteries appear...?
Sado Island offers a variety of attractions, including historical heritage sites such as the Sado Gold Mine, which is registered as a World Heritage Site, as well as nature unique to each season, traditional culture, fresh seafood and local cuisine, and various sports activities.
Sado Kisen has been running TV commercials for "Sado Island, Never Forget." in the Tokyo metropolitan area and Niigata Prefecture since last year, and is also widely promoting the charms of Sado Island through its website "Sado Times."
Through this event, we hope that the time spent traveling to Sado Island by ferry will become a fun and memorable moment for families and friends.
## Event Overview
- **Event Period:** May 20, 2026 (Wednesday) - October 31, 2026 (Saturday)
- **Exclusion Period:** August 8 (Saturday) - 16 (Sunday) and September 19 (Saturday) - 23 (Wednesday/Holiday)
- The event may be canceled suddenly due to weather conditions on the day.
- **Location:** Inside car ferries departing from Niigata Port and bound for Ryotsu Port (Okesa Maru, Tokiwa Maru)
- **Applicable Services:** Limited to Niigata departures at 9:25 and 12:35
- **Participation Fee:** Free (no reservation required)
- **How to Participate:** Please pick up a mystery-solving kit from the designated location near the onboard information desk.
- The number of kits available varies by service, and distribution will end once supplies run out.
- We kindly request that each person uses one kit (a series of kits).
- **Clear Bonus:** Participants who clear the mystery will receive a participation prize.
- Participation prizes are limited in quantity. Distribution will end once supplies run out.
- This event's content production is handled by Nazotoki Adventure, which develops mystery-solving games nationwide, not just in Niigata Prefecture, and opened "Nazotoki Entertainment Space Wonder Lab," a permanent mystery-solving store in Niigata City, in April last year.
- Click here for Sado Kisen's travel products:
https://www.sadokisen.co.jp/trip-top/?sfid=19
- "Sado Times" web media promoting the charms of Sado:
https://sadotimes.sadokisen.co.jp/