It is very hot outside, you want sea, but you are in the centre of the big city in Europe, where to go? Welcome to the oceanarium of Munich - sea world.
The address: Willi Daume Platz 1, 80809 München
It is a little more 1,5 hours drive from Bad Reichenhall.
The website: Oceanarium of Munich
The tickets: 17,90 euros (if you buy at the place), 13,90 euros ,( if you buy online). Also, pay attention that you can buy combined tickets Oceanarium+legoland, Oceanarium+thermals and so on. Go to the website and watch what they offer.
Working time daily from 10 until 17 o'clock, on Saturday and Sunday until 18 o'clock.
Concerning exhibitions i can say the following: the collection of sharks is one of the biggest in Europe, there are more than 3000 kinds of sea animals and fish.
Oceanarium is situated next to the Olympic park where the space for mini-golf is situated.(http://www.minigolf-olympiapark.de), and the BMW musium (https://bmw-welt.com/de/locations/museum.html). You should go here for the whole day.