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Turn the streets of Portsmouth into a 'whodunnit' treasure hunt adventure!
Discover Portsmouth's amazing history and secret hidden gems
Combine your skills to crack the clues and unravel the epic tale
Experience a one-of-a-kind adventure to treasure with your friends
Includes five historic taverns en route
On Nelson's last day on dry land, he stored a valuable diamond necklace in an old Portsmouth tavern. But that night.. someone snatched it! Was it stolen for money? Or an act of revenge? Nobody knows. But the villain left a trail of clues, and this is where you come in...
The pages of your Mystery Guide™ take you on an exciting puzzle adventure through the heart of Portsmouth, as you follow the maps, unlock the clues, and unravel the epic tale. Plus, an exciting twist awaits…
Make it to the end and you'll be struck by an amazing 'wow' moment when the case is solved and the villain is revealed before your eyes! Simply grab your Mystery Guide™, head to the start, and set off at a time that suits you.
Don't let the villain get away... Your time to start is now!
This is a self-guided tour, the 44-page guided activity booklet can be collected from behind the bar at The Dolphin pub at any time between 12pm and 8pm when showing your payment receipt. Address: 41 High St, Portsmouth PO1 2LU.
Details:
Walking distance: 3km
Duration: 2-3 hours
Please note: bank holidays may affect opening hours.
Book Tickets
Guide Prices
Ticket Type | Ticket Tariff |
---|---|
Mystery Guide | £19.99 activity |
Note: Prices are a guide only and may change on a daily basis.
TripAdvisor

- Excellent2074
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- Average26
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Recent Reviews:
- 74lisa65Learnt so much about my own cities historyThursday, 3rd July 2025Us four family members did the Leicester City mystery guides and had an absolutely fabulous day, we visited the mentioned pub for food and drinks (there is no longer any discount off food as stated... Read full review
- Curious37713143492Glasgow undiscoveredThursday, 3rd July 2025Did the Glasgow adventure with my friend Wendy and absolutely loved it. Discovered places and buildings I have walked past on numerous occasions but not really looked at them. The clues that go with... Read full review
- Road62119114355Abingdon, United KingdomAnother great experience with a Mystery GuideThursday, 3rd July 2025Another great Mystery Guide! Updates for any missing clues emailed through, a great walk around the town, just enough thinking required for the clues and a great selection of facts. This is my sixth... Read full review
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