Combine all ingredients in a large bowl. Make sure scallops are completely covered by marinade. Cover and chill at least 3 hours before serving (but no more than 10 hours).
Serve with sliced avocado and toasted bread or crackers.
*Sweet Thai (or Asian) chili sauce is available in Asian markets or the international section of the grocery store.
**If substituting regular salt for kosher salt, use 3/4 teaspoon.