Best way to clean an Island?

With the season over, I'm looking to give my TI a good cleaning. The challenging part is the floor. Since it's designed for traction (rough surface instead of smooth), it's difficult to get stains cleared up.

What's everyone using?

Spring cleaning! What's a good product for cleaning an Island?

On another brand rotomolded cat I used 'barkeepers friend' both as a liquid and powdered cleaner.

We have a LOT of boat cleaning experience on all kinds of materials.Our new to us 2014 TI makes boat #11 between the two of us (not including tenders but vessels from 15' - 50' over the past 22 years). Bar keepers has been an excellent cleaner on all of them. The key is it to be careful not to scrub too hard/abrasively and to rinse thoroughly. Also, for some substrates it is best to only use it once or twice year, imho. Such as teak, I feel it strips too much if used too often. Stay away from scotchbright pads too.

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2014 TI w/tramps