About This Tour
The legendary Portsmouth mystery.. Unsolved for 200 years.. Until now. Join the adventure, and turn the streets of Portsmouth into a GIANT outdoor escape room! ✔️ Enjoy a one-of-a-kind adventure to treasure with your friends ✔️ Combine your skills to crack the clues & unravel the epic tale ✔️ Discover Portsmouth's amazing history & hidden gems On Nelson's last day on dry land he stored a valuable diamond necklace in the safe of an old Portsmouth tavern, but that night a thief broke in & snatched it! Was it an act of revenge? Nobody knew. But the villain left a trail of clues.. And this is where you come in. Your challenge is to track down hidden objects, decode symbols, and uncover hidden messages, as you eliminate suspects & gradually unravel the crime. And an exciting twist awaits.. Make it to the end and you'll be struck by an amazing ‘wow’ moment when the case is solved & the villain is revealed before your eyes! Don’t let the villain get away.. Your time to start is now!
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Portsmouth Treasure Hunt The Mystery of Nelsons Stolen Diamonds
This tour takes you on a relaxing catamaran cruise through calm bays. You'll have opportunities for swimming and snorkeling in secluded spots. It’s ideal for travelers seeking a peaceful maritime experience rather than a lively party boat atmosphere.
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What's Included
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Additional Information
Meeting Point
This is a self-guided treasure hunt which begins at Grand Parade, Old Portsmouth, Portsmouth, PO1 2NF.
Special Instructions
This is a self-guided treasure hunt which begins at Grand Parade, Old Portsmouth, Portsmouth, PO1 2NF.
Cancellation Policy
For a full refund, cancel at least 24 hours before the scheduled departure time.
Tour Operator
Mystery Guides
Official supplier for this experience. Bookings are handled directly through Viator with verified partners.
Viator Certified
Trusted local operator
Guest Ratings
Total review count and overall rating based on Viator and Tripadvisor reviews
Based on 157 verified reviews
Average rating
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Frequently Asked Questions
Common questions about Portsmouth Treasure Hunt The Mystery of Nelsons Stolen Diamonds
Who operates this experience?
This experience is operated by Mystery Guides.
What's included?
This tour includes 10% off food & drink in The Dolphin pub. , Full of amazing local history stories, and 5 traditional taverns en route. Additional amenities and services are included. All inclusions are provided by the tour operator.
How long is this tour?
The experience lasts approximately 2.5 hours, giving you time to fully enjoy your chosen activity.
Can I cancel this tour?
Yes, you can cancel up to 24 hours before the scheduled departure time for a full refund.
Will I receive instant confirmation?
Yes, you'll receive instant confirmation when you book.
Is this tour worth it?
Yes, this experience has a 4.9-star rating based on 157+ reviews, making it a highly rated option.
What to expect on this tour?
This tour experience lasts approximately 2.5 hours and includes all necessary equipment and guidance. You'll have access to 10% off food & drink in The Dolphin pub. and more.
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Book Portsmouth Treasure Hunt The Mystery of Nelsons Stolen Diamonds
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