The respective Florida Pro titles stay in Florida for another year after Marks and Schweizer took over on finals day.
Marks continued her reign over home turf and Schweizer dethroned Evan Geiselman to take his first-ever QS win.
A marathon day decided finals day draw for both the men and women with no shortage of surprises.
The rest of the women's top seeds debuted and the men took over from there.
The final eight heats of Round 2 concluded and remaining top seeds laid down their authority before the men took over.
The Florida Pro kicked off with women's Round 1 and 2 to get things underway, and some surprise performances stunned the spectators.
Competition surged through opening round action of the women's Florida Pro QS 3,000 with some surprising performances.
With the Florida Pro Women's QS 3,000 and Men's QS 1,500 just days away, take a look at just a few surfers to keep tabs on.
The Eastern Surfing Association is helping form a bridge for its competitors looking to transition to the next step -- the WSL.
Previously at the 2018 Ron Jon Florida Pro
Caroline Marks and Evan Geiselman start their 2018 with huge wins at Sebastian Inlet.
A massive day decided Quarterfinal bouts for the men and all-important Round Five draws for the women.
Men's top seeds debut after women's Round Two get underway in improved conditions.