
TOURS
Tours starting in 2026 as early as January
Step into real Ireland with Invasion Island Tours — where history, myth, and landscapes collide. Discover this sacred, ancient isle with your host Bertie Brosnan, owner & operator of Bertie Brosnan Films and founder of Invasion Island. Have an experience like no other with specialised tours not given by other guides and companies.
If you are interested in taking a tour with me in 2026, please sign up below, and I will be in touch with you by email. Thank you.
Following in the footsteps of the epic tales like the Battle of Clontarf featured in his novella The Forgotten Prince, and the other stories that Bertie brings to life in his videos. Each private tour is handcrafted for curious travellers, ancestry seekers, and history lovers. No buses. No scripts. Just immersive journeys guided by storytelling & adventure. Starting with small, intimate and exclusive groups only!

FIRST OF THE INVASION ISLAND BOOK SERIES
Embark on a journey to medieval Ireland in The Forgotten Prince. Immerse yourself in the chilling events leading up to the legendary Battle of Clontarf on Good Friday, 1014 AD, with this mesmerising historical fiction novella. Based on the short screenplay King Brian & Brodír, this story weaves together the fates of Brian Boru, High King of Ireland, his son Donnchad, and the mysterious Viking pirate Brodír of Man.
The book is available worldwide on Amazon. Ensure you are on the correct Amazon site for your location. For example, in Ireland, use Amazon.ie; in the USA, use Amazon.com, etc.
Our brand and stories take inspiration from Ireland's legendary mythology and 'Lebor Gabala Erinn', The Book of the Taking of Ireland. The Forgotten Prince kickstarts this storyworld.