Red Nunui (teen/adult size) Mermaid MonofinDid you know? Nunui means "big" in Hawaiian, perfect for our larger monofin! It's pronounced Ni new ee. The Nunui monofins are for use with our JS, JM, and JL size tails. Our patented mermaid monofin (swim flipper) is the best monofin available (US Patents 9561401 and 9925416). Not only does it help you swim like a real mermaid, it keeps feet from sliding around, is so comfortable to wear, and won't break. Unlike other monofins, our swim fins do not

See size chart to select the best size for you

This bikini set does not coordinate with that

Simply choose your size and you're good to go

Child sizes M - XL will automatically receive a Keiki sized fin

SwimFin comes in one size only but is adjustable to fit small children (about age 3) to adult

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the result is extra fun in the pool

look no further than our Siren Green mermaid tail and monofin set

See size chart in product photos

Made with a compelling combination of blacks

Our redesigned plastic fin is virtually indestructible

Rinse items in cool water and lay flat to dry