Don't worry about the customs limit. All you have to do is declare the liquor and pay the customs duty upon arrival. It will amount to pennies a bottle. Last time, the customs official just marked my form but didn't charge me anything; it wasn't worth his effort.
"Carpe diem quam minimum credula postero"
Seven Seas Explorer - Miami - Venice - Mar 2017
Silverseas Explorer - Arctic - Aug 2017
Seven Seas Voyager - Rome to Beijing - Oct 2017
Seven Seas Mariner - Lima to Buenos Aires - Jan 2018
Silverseas Explorer - Siberia - Jul 2018
Seven Seas Mariner - Australia Circumnavigation - Dec 2018