Perhaps, but it's best to start small. If your key didn't work, then there must be something keeping this closed. Perhaps an enchantment, or a shield.

[ Azul retrieves his wand from his inner suit pocket, and with a small flourish, he sends a very small blast of water magic at the door.

It does indeed, bounce right off. ]

As I thought- there must be something here they don't want us to see as of yet.