Compromises are always the best and maybe one end of the beach at Tintamarre can remain unofficially clothing optional so families that dislike nudity can walk 3/4 of the beach and not have to worry about being offended. Tiko passengers can wear a pareo to walk the full beach and everyone can get along.
We were planning to take the Tiko Tiko day cruise to Tintamarre when we visit in April and hope this silliness can be resolved in a way that satisfies everyone (or at least almost everyone).