Need a new inspiration for your coastal or island destination?

Dive in and discover an underwater adventure with our glass-bottom semiSUBMARINE.

Bring the coastline attractions closer to your guests.

Turn tourist stops into a cozy boat trip experience with Taxi Cat.


We do not sell just boats.
We sell a proven business solution.


  • Tailored for exceptional guest satisfaction and developed with boat owner benefits top-of-mind
  • Expands your offering with a submarine experience and panoramic deck views


  • An investment that pays off quickly, with low running costs
  • Workboats that respect the environment – and your budget


  • Beautiful vessels spotted miles away
  • Made to fit any transport


  • Enjoying the trip despite the waves
  • Hulls are designed to ensure stable short tours


Our Fleet


Amaze your guests with a scuba diving experience without getting wet!

Your adventurous submarine tour starts immersed 1.5 meters underwater, while deck seats enable memorable coastline views.


You can choose between two boat versions, depending on the number of passengers: Pax 12 and Pax 55…


Taxi Cat

Yellow cab on the water? We’ve got it – perfect for shorter passenger tours, diving mini-cruises, or fishing trips.

Help your guests avoid summer crowds and offer water taxi connections to popular destinations.


Thanks to our innovative design and new technologies, we produced a small catamaran with super-low fuel consumption…


Success stories


Born out of a love of boats

Ever since he was a child, our founder Mladen Peharda dreamt of building his boat. Then Mladen grew up, and the boat idea grew with him until finally one day he started to doodle what later became his first semi-submarine vessel. Together with his wife, he began to build the first boat in his back yard.

Fast forward a decade

his passion turned into a successful company, privately-owned with a fully equipped shipyard employing 15 professionals, and over 50 boat business solutions sold across the globe: from Croatia, Greece, and Italy to the Maldives and the Caribbean.

We take care of the entire production process in-house

from the initial idea and concept design to prototype development, plug, and mold production, to the final touch.

Everything that comes out of our workshop is original and meets the highest quality standards.

Because we care deeply about our boats – and our customers.


First DIY semiSUBMARINE prototype

The founding year of the Agena Marin company


The first delivery of the semiSUBMARINE 12 Pax


Development of the semiSUBMARINE Pax 55


First big display at the largest European boat fair in Düsseldorf, Germany

  • Sales milestone: 30th semiSUBMARINE was sold on the Adriatic coast, which led to a new managing decision – crossing borders
  • First export: boat delivery to the Maldives
  • The first delivery of the semiSUBMARINE Pax 55 (Island of Krk, Croatia)
  • Taxi Cat prototype development
  • semiSUBMARINE delivery to Greece and the Caribbean
  • delivery of the semiSUBMARINE to Italy
  • First Taxi Cat delivery (Island of Korčula, Croatia)


Contact information

+385 (91) 474 0044

Dubrovačka ul. 11, 23210, Biograd na Moru, Croatia


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