Sounds like you'll need to book a few weeks to get that all in. There's scuba shop on Airport road (St. Martin), lovely people that run it! Here's the link: http://www.thescubashop.net/?fbclid=IwAR3MDzL2u0A-2H5VVZfefPQkfOcP6DvKYZCV-JihhXVR-y7CRGDpQXFQCTM


Sand Gravity, got to love it!