I had no clue that mounds of seaweed could even be a possibility or something to be worried about until we showed up. We are yearly visitors to Destin, FL and have learned that certain times of the year are usually more prone to seaweed and/or jellyfish, some years worse than others, but usually predictable for the most part. So I just chalked up the seaweed at SMB to picking the wrong time of the year to have our wedding there and not having done my research on when "seaweed season" is at its prime. So yes I will admit that it was a little disappointing in some ways...even though we had never been before, there are of course all of the beautiful pictures out there of the immaculate white sand beach and clear as can be turquoise/jade colored water. And I agree with you that it was a little painful to watch how hard they were working to clean up the seaweed but seemed to be fighting a losing battle. But I will also say that even with the seaweed as it was I was more than in love with our entire SMB wedding experience. Yes, having the beach as pictured in all the Trip Advisor pics, etc. would have made for an even more beautiful experience for us and our guests, but I guess I am one of those that was realistic going into the whole "beach wedding" experience, knowing that you are really taking a chance with the whole planning process, and honestly was just happy that the sun was shining the entire day and we were able to have our ceremony on the beach and also the reception outside as originally planned. I had gone to grad school with a girl who had gotten married at SMB 1 and 1/2 years prior and although she was able to have her beach ceremony, late rain showers forced them to move their reception plans indoors. And probably another reason why I didn't let it phase me too much...I had set my photography must-have's radar on the abandoned villa next door from the get-go (one of the primary reasons I chose SMB as the "one"), more so than the beach itself, so I think it helped take the focus off of mother nature's seaweed invasion.
Anyhow, the water still looked blue and the sand still white...enough for me at least lol...the only major drawback was the massive piles that had been created by trying to contain the seaweed, which ended up fairly close to the wedding gazebo on either side, assuming that the one to the right hand side of it was the farthest they could go with that pile since being at the edge of the property. But all in all I would say that sure it could have been a little more perfect, but I have no regrets and feel truly blessed that everything turned out as beautiful as it did, seaweed and all But hopefully it will be a thing of the past by the time your date rolls around!