Riddle me this! What am I?

[adnil]

I have keys that open no locks,
I have space, but there is no room,
You can enter, but you can't go in.
What am I?

[wendy1214]

piano?

[adnil]

piano?
Good guess! But no.

[wendy1214]

Florida Keys?

[adnil]

Florida Keys?
Nope not it!

[wendy1214]

Duh- computer key board!!!

[adnil]

Duh- computer key board!!!
Yes!!!!!

Ya'll are just way too good for me!!!!!!
I'm going to have to dig deeper to try and stump ya'll!!!!!!!