If visiting the Taga Shrine with a partner, be sure to pick up a Yin-Yang Harmony Fortune é°é½ååãã¿ãã In'yÅ-wagÅ-omikuji to test out your sexual compatibility. For a mere ¥300, you'll receive a Japanese-language fortune describing your equipment and abilities by awarding you with a sumo wrestling rank all hail the mighty Yokozuna!, as well as a little clay figurine graphically illustrating the coupling of said equipment.
Uwajima and the surrounding area is well-known for pearl farming, so you may find a bargain relatively speaking on pearl souvenirs here.
Shinju Kaikan
Primarily a pearl souvenir shop, but to ensure you're not rushed when considering a purchase, they've helpfully included a restaurant and a hotel rooms from ¥4000 single on the grounds. Pearl rings and necklaces can be custom-made to fit your budget; on the cheaper side, try some pearl candy ¥650 for 15 pieces. It's a little way out of town, north on the Uwajima Highway from the JR Takamitsu train station.