The Mystery of Nelson's Stolen Diamonds

Book Tickets Online


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.

Walking distance: 3km
Duration: 2-3 hours

Please note: bank holidays may affect opening hours.

Book Tickets

Guide Prices

Ticket TypeTicket Tariff
Mystery Guide£19.99 activity

Note: Prices are a guide only and may change on a daily basis.



TripAdvisor Traveller Rating:

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    Recent Reviews:

    • fionak170
      Barnsley, United Kingdom
      Trip Type:
      Friends getaway
      A great way to discover a city...and solving a mystery as well
      5 of 5 stars
      Tuesday, 20th February 2024
      We did the Winchester Mystery Adventure.. a fun day that encouraged us to see more of the city than we would have done ordinarily... Read full review
    • macwood2016
      Walsall, United Kingdom
      A successful search for the Stolen Golden Record
      4 of 5 stars
      Wednesday, 21st February 2024
      The successful search for the Stolen Golden Record was both challenging and fun. The instructions and route directions were clear. However I do have comments regarding a couple of the clues. Clue No... Read full review
    • Nat_Saunders
      London, United Kingdom
      City of London mystery adventure - Fabulous day out with the family
      5 of 5 stars
      Wednesday, 21st February 2024
      I can’t recommend the City of London mystery adventure enough! I went with my family and had a thoroughly amazing day! It’s so much fun and really interesting. So cleverly put together. I want to do... Read full review

    Map & Directions


    • Discover Mystery Guides

    Portsmouth Treasure Hunt: The Mystery of Nelson's Stolen Diamonds

    Type:Walking Tour

    Starts at the Nelson Statue, Old Portsmouth, Hampshire, PO1 2ND

    TripAdvisor Traveller Rating

    TripAdvisor Traveller Rating - 940 reviews940 reviews

    Opening Times

    The Mystery of Nelson's Stolen Diamonds (1 Jan 2024 - 31 Dec 2024)

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