I'm posting here the locations of underwater trees that stop my swimming progress.
Zone 939 pos: 256.56 x 11.26
Zone 859 pos: 258.31 x 1.12
Zone 779 pos: 181.65 x 226.97
Zone 938 pos: 426.00 x 381.52
Devs, feel free to edit my post or message me so I can edit it, when they are removed.
Other folks, feel free to post ones you find here, so devs know where to look to remove them.