YachtBedding.com has partnered with marine mattress makers Portland Mattress to provide custom sized boat mattresses that are high quality, super comfortable & priced well. We offer a PERFECT FIT GUARANTEE, which makes ordering a mattress or topper from YachtBedding.com is a no brainer! If you are located in Southern California, just email us & we will set up a complimentary measure appointment to completely take the worry of measuring out. These mattresses are the perfect companion to our wonderful line of high quality custom yacht bedding! Your boat should be as comfortable as your home & we're here to help you with that!