If you could choose any interior surface and cost was not an issue then a properly installed all tile interior surface is the best pool coating that money can buy.
Convert vinyl liner pool to concrete.
With this option you can shallow or deepen the pool.
Pour a concrete base if necessary.
Remove the existing liner and haul it away.
Install or reconnect floor plumbing for main drains.
To convert your vinyl liner pool into a one piece fiberglass swimming pool that will actually be ten times as strong as a one piece fiberglass pool insert and seventeen times more flexural strength than a concrete.
Fibreliner is the world s strongest liner for commercial or residential swimming pools which allows east coast pools inc.
If just want to change your pool completely you have a couple of other options.
The vinyl liner conversion process.
Last but not least you can just change out the liner to give you another 10 to 15 years.