Pirates is a subtheme of Service Packs that consists of 6 sets that ran from 1990 to 1995. Most sets were released in 1994 which accounted for 2 sets. As of today, the average annual growth of sets in Service Packs Pirates is approximately 7.1% per year.
The LEGO Service Packs for the Pirates theme provided additional pieces and accessories to enhance the main Pirates sets, which were first introduced in 1989. These packs typically included extra minifigures such as pirates, soldiers, and islanders, as well as weapons, treasure, animals, and various nautical accessories. They were designed to expand and customize pirate adventures, allowing builders to create larger crews, more detailed ships, and richer island settings. Notable elements often found in these packs include cutlasses, muskets, treasure chests, parrots, and shark figures.