Requirements for bringing our small dog from US to St. Martin to St. Barth

[sjhbncool]

I am doing all the paperwork to bring our small dog to Sint Maarten (landing at SXM but staying on the French side of the island for a few days). We are then taking the Voyager ferry (from St. Martin, French-side) to St. Barths staying for a week before returning to St. Martin by Voyager ferry to go to SXM to fly back to the US. Guidance is unclear on what is required (if anything) beyond the Sint Maarten requirements posted here. Is there anything additional we need to do for our small dog to enter St Barths via Ferry from St. Martin (French side)? St. Martin (French side) does not appear to ask for any additional documents to bring in a small dog from the Dutch side.