Adventures of Joselito and Tom Thumb(1960)

Original title: Aventuras de Joselito y Pulgarcito

Joselito lives with his grandmother in a fishing village. His father went to America long ago to make a fortune. One day, the boy decides to travel there to meet him. He takes courage and embarks on a fragile boat and miraculously is saved at sea by a vessel that leads him to Mexico where he meets Tom Thumb, a little newsboy who lives many adventures and helps him in the search.