I found Sofa Paradise best to buy mattresses. It's a great online store that offers a nice quality of furniture and all other home decor accessories (mattresses, light lamps, rugs, nightstands, dresser, mirror etc..) at low coast price.



http://www.sofa-paradise.com/mattresses....

Galbiso,

Depending on what level of comfort you like, we offer a range that you can shop by:

http://www.hayneedle.com/bed-and-bath/be...

Adjustable Firmness

Firm

Medium

Plush

Hope that helps,

Elizabeth

Most mattress outlets do as long as they are reputable and have been around for a while.