In our PADI Open Water Courses as well as on our PADI Dry suit specialty courses we use Garður as our first choice.
The reason is, that we can enter the water easily by walking into it or by climbing down a ladder from the pier.
At a depth of 3-6 meters there's a large sand patch which offers perfect conditions to do some exercises or to get accustomed to buoyancy control in a dry suit.
But don't misunderstand this, Garður has much more to offer than a large sand patch. Huge rocks lie around, which make a home for many different kinds of fish, hermet crabs, starfish, etc.
On our dives we pay Tommi the Wolffish a visit. He lives in a hole in the pier.

Wolffish at Garður © Jesper Kjøller, DYK
We see Monkfish on most of our dives here.
Garður is due to its easy accessibility also one of our favorite night dive sites in this area.
Many years ago Tómas Knutsson and his Blue Army cleaned up what we call the garden dive site and its surroundings from tons of trash that had been thrown into the sea in earlier years.
Today it' completely clean and awareness towards the environment has risen strongly in the area, which is for a large part to thank Tómas and his environmental actions and education.
Nobody throws anything into the garden today!!