Shade sail - great way to give shade. Can be taken down when it's not needed. Loads of colour choices.
Canvas providing shade instead of a more expensive umbrella - This would be easy to do - AL MARE
Waterproof Patio Sails | Outdoor Shade Sails to Protect Courtyard from UV Ray and Rain | House ...
Waterproof Woven Shade Sail Sun UV Protection Garden Yard Colors Sizes Shapes in Home & Garden,Yard, Garden & Outdoor Living,Garden Structures & Shade | eBay
Sliding Patio Cover for instant sun OR shade (This couple built a monstrous steel structure but these can be adapted to a small deck).
Durasol Gennius Waterproof Retractable Awning
Retractable Patio Covers and Other DIY Ideas for Beautifying Your Decking | Louisville Deck Staining
Kookaburra 3.6m Square Yellow Waterproof Woven Shade Sail £59.99
Beautiful linen jacket combined with white chinos, a great yacht or beach look. #onboard #fashion