Outdoor seating area made of palettes! Just sew cushion covers out of Sunbrella-type fabric that's mold/mildew/moisture/sunlight resistant, and you're set!
Between The Head & The Heart - grayskymorning: Sincerely Kinsey
Pallet L-Shaped Sofa for Patio / Couch 101 Pallet Ideas - Sequin Gardens
Couch with a little assembly required for the outside/roof?
I'm pretty sure I could make something like this.a few old pallets sanded back, a slab of mattress foam and pretty material to sew it up with. invest in some pretty cushions and you have a cheap as chips lounge! Bed and couch
Pallets Ideas & Projects: 20 DIY Pallet Patio Furniture Tutorials For A Chic.
Connecting back of pallet with angle brackets