Softside Waterbeds Take home a Land and Sky Softside Waterbed and you can look forward to a new level of healthful sleep with unparalleled support, personalized comfort and enduring satisfaction. To begin building your customized waterbed, start by choosing either a NEW CENTURY full-depth bed or STARLINE light fill bed. Full-Depth Softside Waterbed Light Fill Cylinder Style Waterbed New Century Flotation Mattresses - Select a New Century Flotation Mattress to use inside a New Century flotation bed or a hardside frame. Miscellaneous products for the care and maintenance of your waterbed.