You can get king size bed frames online with storage built in such as kingsize bed frames with drawers. With a king size framed bed you get a lot of space underneath that is often unused. You could of course just put stuff under the bed but it can get dusty, dirty and can look untidy.
There are a couple of options when it comes to beds with storage and each option will suit different tastes and needs. The ottoman style bed is quite unusual as beds go as the entire bed lifts up to reveal a large storage area. This is a good option for storing larger items as well as duvets, sheets and other bedding. Storing your bedding under your bed seems like an obvious option when it comes to making the most of the space under your kingsize bed.
If you want an alternative under bed storage option then you can get beds that have drawers at each side of the bed. A popular king size bed frame is the divan, this is a relatively low cost option to consider if you are buying a king size bed and offers a good amount of storage, although generally not as much as the ottoman. Having drawer storage under your bed gives you a good amount of storage for bed sheets or towels or other relatively small items. You probably would not be able to get a duvet in their but nonetheless it can provide some much needed storage for space strapped households.