Not really. The Vikings pulled it off, but it was hardly a walk in the park and required a network of bases in Iceland, Greenland and elsewhere to support venturing further.

I was thinking of the leather coracles used in another voyage. I read this book: https://www.goodreads.com/book/show/1088116.The_Brendan_Voya...

There is evidence that some Pacific Islanders made it to the coast of South America in very small craft.