Innisfallen Island is a small but powerful piece of medieval Ireland. Founded by Saint Finian around 640 AD, it was once a thriving monastery where monks lived, prayed and wrote the Annals of Innisfallen, a key chronicle of early Irish history.
What You’ll Discover
- Romanesque church ruins with classic stone detailing
- A 12th‑century Augustinian priory and a small oratory
- A carved bullaun stone where monks once worked
- Quiet lakeside paths framed by woodland
Wildlife and Nature
The island is home to free‑roaming Sika deer. Please observe them quietly and avoid feeding or approaching.
Why a 20‑Minute Visit Works
In just 20 minutes you can:
- Walk through centuries‑old architecture in a scenic setting
- Capture evocative photos of ruins, lake reflections and wildlife
- Connect with Ireland’s past in a brief visit that stays with you

This island stop is part of our Innisfallen Island & Gap of Dunloe Adventure boat tour.
Visiting Tips
- Wear sturdy shoes – boat landings and paths can be uneven
- Bring suncream or a rain jacket – Killarney weather changes fast
- Take photos of key features like the Romanesque doorway and bullaun stone
- Respect wildlife and historic ruins
- Stay aware of the return boat time to avoid missing the cruise
What Happens Next
After visiting the island, the tour continues to Lord Brandon’s Cottage. From there you can choose to hike, cycle or take a jaunting car through the Gap of Dunloe before returning to Killarney.
Book Your Visit
Experience this perfect blend of history and nature by booking the Innisfallen Island & Gap of Dunloe Adventure. This tour starts at 11 am from Reen Pier.
Book your 2025 Adventure.
Prefer a shorter cruise?
- Innisfallen Island & Lord Brandon’s Cottage one‑way – 1.5–2 hrs, €25
- Innisfallen Island & Lord Brandon’s Cottage return – ~4 hrs, €50
Explore the options and secure your spot today.