My pallet decking, lots of pallets hard work (and help) but great project and only cost was screws and decking stain. Oh and lights from ebay for £20. Made a wall planter in the corner too.
Examples of platforms built with pallets
Patio Deck Out Of 25 Wooden Pallets Pallet Flooring Pallet Terraces & Pallet Patios
DIY Pallet Deck Tutorial | 99 Pallets ~ Base for our future roof top deck?
DIY Pallet Deck Ideas and Instructions | 99 Pallets
Coach House Crafting on a budget: Diy pallet wood decking
All I need now is sangria and a sexy man to gaze upon under the stars
Pallet deck, beautiful, unique and budget friendly. Website is not in english but picture gives good ideas
Deck Pallet Project With the right construction experience, you can even build a deck with pallets!