We wanted to make the “stuff” we put in the 2 lockers under the settee seats easier to get at. I made 2 slide out shelves and so far these seem to solve the issue and are working well!
Then we decided to replace the carpet with a teak flooring product.
That looked so good we decided to update the upholstery and had all the cushions done! Very pleased with the overall results.
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MV Tolly Roger 
HI I have a 73 26 ft also, how did you get your paneling to look so good? mine is a bit faded but in good condition.
I’m not sure. It was always kept in an uncovered slip but we were sure to keep the curtains closed. Ours was a 1980 so it still had the “Mac-Tack” sides but the interior wood was teak.