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Speed Cat I

High-speed passenger catamaran, no vehicle deck · operated by Alpha Lines

Passengers301
VehiclesFoot passengers only
Service speed32.5 kn

Alpha Lines' fast catamaran for the Saronic Gulf islands — Piraeus to Hydra and Spetses in about an hour, with assigned seating and a pet-friendly sun deck, aimed squarely at day-trippers and weekenders rather than islanders moving cargo.

On board the Speed Cat I

  • Bar
  • À la carte restaurantnot on board
  • Snack bar / café
  • Wi-Fi
  • Outside deck
  • Pets allowed
  • Pet cabinsnot on board

Where you can sit

  • Economy SeatStandard reserved seatingreserved
  • Alpha Club Business AreaUpgraded reserved seating; Flocafé at-seat ordering via QR codereserved

Where is the Speed Cat I now?

Looking for her latest AIS position…

Positions by AIS from the University of the Aegean’s Aegean network. Coastline © OpenStreetMap contributors. Live positions are indicative and are not a navigational aid.

Specifications

Built2002
BuilderLa Rochelle (France)
Built inFrance
Length43 m
Beam11 m
Service speed32.5 knots
Top speed36 knots

Where the Speed Cat I sails

Scheduled crossings over the next 14 days, busiest first.

Usually works Piraeus–Hydra–Spetses and Hydra–Spetses.

  • No vehicle deck — foot passengers only.
  • Book Business class if you want extra space; Economy fills up fast on summer weekends.
  • Pet-friendly sun deck is a genuine differentiator versus other Saronic operators.
Book your ferry tickets here

Frequently asked questions

What is the Speed Cat I like?

Alpha Lines' fast catamaran for the Saronic Gulf islands — Piraeus to Hydra and Spetses in about an hour, with assigned seating and a pet-friendly sun deck, aimed squarely at day-trippers and weekenders rather than islanders moving cargo. She is a high-speed passenger catamaran, no vehicle deck built in 2002.

Who operates the Speed Cat I?

The Speed Cat I is operated by Alpha Lines.

Does the Speed Cat I carry cars?

No. The Speed Cat I takes foot passengers only, so you cannot drive aboard.

How fast is the Speed Cat I?

She works at a service speed of 32.5 knots, with a top speed of 36 knots.

Does the Speed Cat I have Wi-Fi?

Yes, the Speed Cat I carries Wi-Fi aboard.

Which routes does the Speed Cat I sail?

Over the next 14 days the Speed Cat I is scheduled on Hydra to Piraeus, Hydra to Spetses, Piraeus to Hydra and Piraeus to Spetses, among 6 crossings in all.

Vessel details as published by the operators and cross-checked against maritime registers. Schedules from the current timetable. Updated 6 August 2026.