Flensburg is definitely worth a visit. The beautiful seaport town is located very close to Glücksburg and offers a lot to see and do. Whether shopping in the scenic city centre, a visit to the legendary Roten Straße street, or rum tasting in one of the well-known rum distilleries, like Braasch Rum, for example: There is something for every taste here. By the way: Flensburg also has a great nightlife scene! Great restaurants, bars with live music and hip eclectic shops make this excursion an unforgettable experience.
You can reach Flensburg by boat, from the Glücksburg beach promenade, by public transit bus, by bike or with a short taxi ride.