Bouwsma is a marina (jachthaven) situated near Workum in the municipality of Súdwest-Fryslân, Friesland, on the Workumertrekvaart — a 10-kilometre canal running between Workum and Bolsward. The marina offers a maximum water depth of 1.

8 metres, making it suitable for shallow-draft recreational vessels. It serves as a convenient access point along the Workumertrekvaart, which is known for its gentle current and open, flat surroundings typical of southwest Friesland.