There are regular buses from Fuzhou, as the island is connected to the mainland by bridge.
CSF operates fast feries (about 3 hours) from Pingtan in mainland China to Taipei and Taichung in Taiwan. As of February 2019, the Taipei-Pingtan-Taipei route runs on Tuesdays, Wednesdays, Fridays, and Saturdays, and the Pingtan-Taichung-Pingtan route runs on Mondays, Thursdays, and Sundays (full schedule). Adult fares for non-Taiwan citizens start at NT$3,000 one-way / $5,300 round-trip if purchased in advance (fare table), a couple hundred more if purchased at the pier (fare table). Fares are cheaper for Taiwan/ROC citizens (advance/pier.
The local specialties are all seafood.