There are several discos and night spots at the marina on the French side. Don't look here for any comments. Shopping is another major activity. Liquor is similarly cheap and even more prevalent. As some establishments add a bit more of your savings to their bottom line, it pays to comparison shop and maybe even bargain.
Jewelry is also cheaper, probably less expensive is the correct phraseology.
Again, compare prices and bargain. There are galleries in Marigot, Grand Case, and Philipsburg. Getting Married is always fun. Remember, if you are already married, you must get divorced first. Other than that, look elsewhere for marriage advice.