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About
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

- Excellent2106
- Very Good150
- Average26
- Poor9
- Terrible9
Recent Reviews:
- Donna RBury, United KingdomGreat afternoon solving the mysterySunday, 6th July 2025Had a great afternoon in Manchester using our guide from a Christmas present. Was easy to follow and learnt things and saw places I didn’t know even with living in Manchester my whole life. Was good... Read full review
- LouchuThe absolute best time, loads of fun, lots of laughs - highly recommend! Next stop - Chester!Monday, 7th July 2025Fantastic! Had the best time 👌🏼 We did a guys v girls Great Coin Heist - lots of laughs & saw parts of London we didn’t know existed. Definitely recommend! ⭐️⭐️⭐️⭐️⭐️ Read full review
- Alfie55Flimwell, United KingdomTrip Type:CouplesLondon Fleet Street Mystery AdventureWednesday, 9th July 2025My wife and I did this Mystery Adventure on a Tuesday. We had previously done the Canterbury one and really enjoyed it. The clues take you around the Fleet Street area to some lovely quiet spots... Read full review
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