• Interchangeable high-modulus technopolymer blade – Reduces weight and increases elastic response, ensuring powerful and natural kicking during freediving and spearfishing sessions. An excellent starting point for those looking to upgrade to more structured blades such as the SEAC BM-30 with long side rails.
• M-30 foot pocket with short side rails – Innovative design that enhances blade reactivity and ensures optimal comfort even when barefoot or wearing thin socks, thanks to its dual-material construction.
• 30° angled design – Optimizes power transfer and reduces muscle fatigue, improving performance during deep dives and spearfishing sessions.
• Versatile long fins – Perfect for spearfishing, freediving, and recreational diving; flexible, lightweight, and reliable even during long sessions.
• SEAC Made in Italy quality – a leading brand in diving since 1971.

The SEAC M-30 are long underwater fins with an interchangeable blade, designed to offer reactivity, comfort, and top performance in freediving, spearfishing, and scuba diving.

The high-modulus technopolymer blade combines lightness and strength, reducing overall weight and enhancing elastic response so that every kick feels smooth and efficient. The M-30 two-material foot pocket with short side rails is engineered to maximize the blade’s reactivity and ensure optimal energy transfer, offering exceptional comfort even during extended dives. The interchangeability of the blades with SEAC BM-30 provides maximum versatility and allows you to upgrade to more structured, high-performance blades as your technique or diving style evolves. SEAC M-30 is the fin that grows with you: start with maximum comfort and let your skills evolve, kick after kick.

The 30° angled design reduces muscle fatigue and enhances propulsion, allowing you to reach greater depths with less effort.

Thanks to the combination of technology, lightness, and elasticity, the SEAC M-30 freediving fins are ideal for freedivers and scuba divers looking for maximum reliability, performance, and Made in Italy quality.

Try the SEAC M-30 fins and discover a new balance between lightness, reactivity, and comfort underwater.