There are many stores that offer age-appropriate bathing suits for teen girls that provide adequate coverage while still being stylish. Here are a few options to consider:
Amazon: They offer a wide variety of swimwear for all ages, including teen girls. Their swimsuits are trendy, stylish, and come in a range of sizes.
Aerie: This store offers a variety of swimsuits that are designed to flatter a range of body types, including teen girls. Their swimwear is stylish and provides adequate coverage.
Lands' End: This store offers a variety of swimsuits that are designed to provide coverage and support. They offer swimsuits in a range of sizes and styles, including one-piece swimsuits, tankinis, and bikinis.
H&M: They offer a wide range of swimsuits for all ages, including teen girls. Their swimsuits are trendy and provide adequate coverage.
When shopping for a bathing suit for a teen girl, it's important to look for styles that provide coverage and support, while still being age-appropriate and stylish. It's also important to try on different styles to find the best fit for your body type.