From Schiphol you take the train to Amsterdam Centraal.
Take a train from airport to Amsterdam Centraal. And buy your local transport tickets online. This is the best deal you can get. Here is the link to the www.discoverholland.com/tickets
You can also follow the Google-map instructions or use www.9292.nl web page for door to door directions.
From Train Station Amsterdam Centraal back side take bus or by car
From Amsterdam centraal you have every 10 min. a bus and it takes 25 minutes to Monnickendam and then 10 min. walk to the boat.
Amsterdam, Centraal Station IJzijde bus station
Bus 315 -> to Marken
After 8 bus stop -> Monnickendam, Swaensborch
By car from Amsterdam Center is 15 km and it takes +-16 minutes to Jachthaven Waterland in Monnickendam and there around is free parking.
The “official address is:
1141 GA Monnickendam,
Noord-Holland , Netherlands