Actually, did the Mayans ever engage in any significant sea-faring?
There's always room for discussion, but perhaps these previous topics will answer your inquiry.
Evidence of contact between Cuba and Yucatan? by /u/anthropology_nerd and /u/Reedstilt
In 1466 would the natives in Cuba have been aware of the Mayans or the Aztecs? If "yes" did the trade with either? If so what? by /u/obscuredread and /u/400-Rabbits