Coconut matting (fancy stripe or natural) laid on waterproof ground sheet.
Also carpet with a large range of colours to choose from. This can be laid on the solid wooden interlocking floor, for an exceptional finish.
Wooden interlocking floor (18mm external wbp raised on 50mmx 25mm battens) can be laid throughout your marquee should you require this, giving a more substantial footing and is shown below, and stained in light oak.
The wooden interlocking floor (shown below) should not be mistaken for cheaper & inferior board floor (4mm sheets of ply) laid direct on to the ground and nailed at each corner, as supplied by some other companies