As of 2015, you can find a bed that is 7 feet long at either Tall Paul's Tall Mall or TallMattress.com. There are also 7-foot beds available from SelectABed.com under the Ultrabed brand.
Tall Paul's Tall Mall not only features beds that are 7 feet long, but the website also has accessories for the beds such as mattress toppers and linens. The website has an extender option that allows buyers to use a mattress of regular size and extend it. Tall Paul's Tall Mall also has other products for tall individuals that include chairs, tables, sleeping bags and gloves.
TallMattress.com also has 7-foot beds in a variety of sizes, from twin to California king. The company sells round mattresses and sheet sets for both round and long mattresses as well. TallMattress.com has a number of research tools on the website, including buying guides for those seeking out long mattresses.
SelectABed.com sells the Ultrabed brand of mattresses, which are longer than 7 feet in length. In this case, the mattresses are available in multiple sizes, from 6 by 7 feet to 10 by 12 feet. The Ultrabed brand also has custom designs available, including oversized round beds, triangular beds, outdoor beds and other options. The mattresses from SelectABed.com feature memory foam and systems such as the Airflow Transfer System, which moves air throughout the mattress to keep it cool.