Yes, tickets for the National Goes Tower are typically purchased on-site at the base of the tower or within the church building itself.
Tickets for climbing the National Goes Tower can typically be purchased directly on-site. The ticket sale point is usually located at the entrance to the tower, which is accessible through the Grote Kerk (St. Maria Magdalena Kerk) in Goes. Look for a designated counter or staff member near the base of the tower or at the main entrance of the church during opening hours.
Advance online booking is generally not required or offered for individual tower climbs, making it convenient for spontaneous visits. Payment is usually accepted in cash, and sometimes by debit card. It's always a good practice to confirm current payment methods upon arrival if you have specific preferences.