It's time to bring out the bikinis and tankinis! Bonmarché's range of plus size bikinis and tankinis - in sizes 18-28 - are designed to fit and flatter, and provide great support. Discover bikinis for larger busts and comfortable high-waisted bottoms with tummy control properties. Our curvy bikinis come in a wide range of neutral and bold prints and colours. Whether you're lying poolside or walking to the beach bar, we have the perfect plus size bikini for you.