On A Tour Or Safari
Swakopmund is a frequent one or two night stop on most tours around Namibia. There are many tour operator doing tours both from Namibia and from outside, such as South Africa.
By train
The train service to Windhoek will take up to 21 and a half hours.
By Minibus
Minibusses operate from Windhoek almost every 2-3 hours, ask the taxi drivers where the buses leave. There are multiple taxi ranks in Windhoek for different destinations, so make sure you find the right one. For about N$120 you can have a ride in an overloaded minibus. The ride will take about 4-6 hours. Pay immediatly and try to get yourself a seat next to the driver for a bit more space.
By ship
The RMS St Helena makes regular round-trips from St Helena Island to Cape Town via Walvis Bay. Catch a taxi from Walvis Bay to Swakopmund.
By car
The best way to get to Swakopmund is by road from Windhoek. The B2 is the main road from Windhoek, and takes 4-5 hours by car.