In Malta children mainly learn to swim by being chucked in the sea with flotation devices on a trip to the beach and they build from there, slowly removing flotation devices as they grow older (or at least this was the way it was done in my time!). In Denmark, however, baby swimming classes are a big thing.
There are a number of different possibilities in the Sonderborg area. Which you choose tends to depend on whether both parents plan to go into the water, time that suits you, as well as whether you prefer a warm or a regular temperature swimming pool. The providers themselves then put in limits on age and/or weight of the child. These are the options we have found:
Sonderborg Swimming Club
Classes in Humlehojhallen. There does not seem to be a set day/time, but they change every time a new group is opened. New groups are announced on the front page of the website. As the pool water is around 29 °C, they recommend that the child is at least 5-6 months old. It costs 400 DKK for 8 sessions (and one parent).
Nord-Als Swimming Club
Classes in the smaller basin at the NordAls Idrætcenter. Again the pool is a regular pool so the water is colder and, hence, preferably the child is a bit older. Costs 300 DKK for 3.5 months.
Rinkenæs Swimming Club
Classes offered at the Gigthospital in Gråsten. The water here is warmer so younger children are accepted, though a minimum weight of 6 kg is asked for. Classes are held on Sundays, with different groups starting every 25 minutes from 13:05 to 14:20. 8 sessions cost 550 DKK and only one parent is allowed in the water.
Baby Swimming at Tangshave (Nordborg)
As with the courses at the gigthospital in Gråsten, the water here is also warm. However, there is precious little information about this possibility online. We got to know about it through word of mouth and then calling the Nordals Idrætcenter. This is what we found:
The organiser is a guy called Søren Hansen. You can contact him on 28 96 97 30. Classes are held on Saturdays with 2 groups, one at 9:00-9:30 and the other 9:30-10:00. At the moment the classes are full, so there is a waiting list. New groups start when there are enough people. Sign up happens by sending an sms to Søren with the name. The price for 10 sessions is 400 DKK for one parent or 550 DKK for two parents.