It's one of Dublin's most popular bathing spots, but do you know how it got its name?
People have been coming to the Sandycove bathing place for a dip in the sea for over 250 years but there's a question mark around where the name comes from.
Most people think it has to do with the depth of the water but that's not the case.
Reporter Emma Tyrrell headed out to the seaside to ask the regulars and the locals what they think.
Listen to the full episode on the Forty Foot and its history in the latest episode of '98FM's Did You Know?' series 👇
98FM's Did You Know series is also available under 'Podcasts' on the 98FM app 📲
