So.... there are some places with a water depth greater than 20m... for example here http://maps.secondlife.com/secondlife/Mayo/99/83/79

Linden Lab has never revealed an intention to base Second Life on the planet Earth, literally. Don't get your hopes up on this one.

We don't need it anywhere that deep. Like as an avid sailor who also owns a submarine that's just so ridiculous to ask you might as well be trolling. Would deeper water be nice? Yes, but like, 64m, 96m, hard cap 256m which is probably still too much.

Unfortunately, that's near impossible without a complete overhaul of the mainland or large swaths of it, which while would be nice would destroy countless people's mainland homes and what are practical historical artifacts for SL at this point. Your best bet would be a new deep water continent or similar sub-continent of Bellesaria.

MAYBE if the way water works was completely overhauled and reworked? But that seems far less likely.

I am voting yes in principle, though I think the best way to do this is to have some publicly-available ocean areas where the water height is higher than 20 meters. That is already a setting in region/estate management, so a private sim do this. I am not sure what the max allowed value is for that, though.

Here's an idea to toss at the Moles: take four sims, raise the water level to max with a volcanic island in the middle or something, and do an "Under the Sea" event with mers, whales, submarines...Caledonia would probably be happy to throw in a few gizmos! Alpha-test it there, see if there is demand, and work out the bugs that way.

I agree that certain parts of sl waters should be deeper but.... 12km deep is a bit extreme.

Certain points could do with being like 3 to 7km deep where light from the world dissappears n the only lights that work are local lights, that would be neat to simulate deep ocean

Trying to make the water match RL is impractical given the rest of SL doesn't come close. I would, however, vote in favor of increasing ocean depth down to say...128-256m, at max. That's a significant increase over the current 20m but without the strain on the servers that a 12km depth would add.

I have to vote against this one. I've been a part-time mer for years, and we're isolated enough with the ocean floor just 22 meters down. I also sometimes ride a mercycle, and having that break the surface when a hill throws me up is pretty thrilling. I think keep it where it is.

As much we'd like to see more improvement in the estate's physical dimension area, along with scaling up bigger across X and Y....

But when it come to the Z, the depth and height, they have the same problem with float precision number. Currently, when you fly up to around 500m and higher, your avatar's vertexes will start to jiggle very slightly and it will get worse as further you go. It become more noticeable at 2,000m and even more noticeable at 4,096m, which is currently the max allowable build area. So you're asking for nearly twice more height data in the existing code.

Server need to be updated to 64bit to allow this to happen. With the current submeter precision we have in SL, theoretically and mathematically, we could go far as 1 petameter (1,000,000,000,000 km) if we managed to get it up and running on 64bit float precision number.

However... Havok, the physic engine we're using, is still 32bit, so that's another problem for LL to deal with.