The Saba National Marine Park was established in 1987, and surrounds the entire island to a depth of 200ft. There are zones for mooring buoys, anchoring, and fishing, but the emphasis is on preserving the superb coral and species underwater. Those wishing to dive must do so with a local dive shop - there are three: Sea Saba, Saba Deep and Saba Divers. Guests and/or crew have the choice of joining a Dive Shop boat, or a dive leader will come out to your tender.

All Saba Marine Park buoys are 18-inch float balls with a blue reflective band - white and red are for licenses diving vessels only, yellow for yachts up to 60ft, and green for private use. At Wells/Ladder Bay, there is one mooring ball for vessels less than 150 tons, and 9 for those less than 50. There are also four mooring balls 250m east of Fort Bay Harbour which are owned privately - the yellow ones are available on a first come basis and can be occupied for up to seven days. However, they can only take vessels less than 50 tons.

The only anchoring around Saba is on the west coast (Ladder Bay) and south side (Fort Bay Harbor, where the ferry docks). Any vessel can anchor seaward of the yellow buoys, and this is the option most mega yachts take, noting that there can be a heavy swell during the winter months. There is another anchor zone outside Fort Bay, which is not recommended during southerly swell. Immigration is at Fort Bay  - there are no customs. Visiting yachts are charged a nominal fee to contribute towards maintenance.

According to Jan den Dulk, manager of the Saba Conservation Foundation, "The Marine Park has no objection to mega yachts coming to Saba." Yacht owners who wish to support this unique environment can even join the Friends of Saba Conservation Fund which manages the Marine Park, Terrestrial Park and hiking trails.