Luxury Charter Yacht POSEIRA: 16.56m / 54’4″ | Lagoon | 2025
Special Features
Brand-new Lagoon 55 (2025) • Wide 9m beam • Accommodates 10 guests in 5 ensuite cabins • Professional crew of 3 • Spacious flybridge with dining and sun pads • Hydraulic swim platform • Expansive foredeck lounge • Light-filled salon with open galley • Air conditioning & Wi-Fi • Generator and watermaker • Outdoor grill & flybridge fridge • Seabobs, e-foil & SUP boards • Kayaks and snorkeling equipment • Waterskis for adults and kids
Crafted by Lagoon in 2025, POSEIRA is a brand-new 55’ catamaran that redefines space, comfort, and adventure. Her wide beam creates vast exterior areas, while her airy interiors make her ideal for family gatherings, group charters, and friends who value both relaxation and excitement.
From her foredeck trampolines to her panoramic flybridge, charter yacht POSEIRA offers a lifestyle of pure alfresco enjoyment. Operating across Greece and the East Mediterranean, she is the perfect yacht for discovering sun-soaked islands, hidden coves, and vibrant harbors.
5 Cabins | Sleeps 10 Guests | 3 Crew
POSEIRA accommodates up to 10 guests in five beautifully appointed suites, each with ensuite facilities. Thoughtfully designed with light, storage, and privacy in mind, her cabins provide both comfort and practicality.
• 4 Double Cabins with ensuite bathrooms
• 1 Twin Cabin (convertible to double) with ensuite
• All cabins feature clever storage and natural light
POSEIRA’s sociable main salon is a light-filled open space with a flexible dining area and integrated galley—ideal for families who enjoy gathering indoors. Outdoors, she offers expansive relaxation zones from foredeck lounges to shaded flybridge dining.
• Open-plan salon with flexible dining and lounge areas
• Integrated galley for interactive dining experiences
• Expansive foredeck with trampolines and daybed seating
• Aft deck with sheltered alfresco dining and sofa seating
• Flybridge with dining table, sun pads, and helm seating under hardtop
• Hydraulic swim platform for easy sea access
POSEIRA is designed for both luxury living and practical cruising, ensuring guests remain comfortable at all times.
• Air conditioning and heating throughout
• Generator, inverter, and solar support
• Watermaker for extended cruising
• Outdoor grill and fridge on flybridge
• Entertainment system with TV and outdoor speakers
• Underwater lights for ambiance
• Full safety equipment including life raft, VHF & docking cameras
Max Speed: 10 Knots | Impressive Range | 2 x 115hp Engines
POSEIRA combines Lagoon’s renowned stability with smooth sailing performance. With her wide beam and GRP construction, she delivers comfort both at anchor and under way. A cruising speed of 8 knots ensures relaxed passages, while modern navigation aids and bow thruster make handling easy in ports and anchorages across the Mediterranean.
Sailing aboard POSEIRA is as much about play as it is about exploration. Her collection of water toys ensures endless entertainment for guests of all ages.
• Tube — exciting towable fun for all ages.
• Stand-Up Paddle Boards (SUPs) — perfect for calm paddling and exploration.
• Water Skis (Adult) — thrilling rides for experienced and beginner skiers.
• Water Skis (Kids) — safe and fun introduction to waterskiing for children.
• Sea Bobs — high-speed underwater adventure machines.
• 2-Person Kayaks — ideal for tandem paddling along coastlines and bays.
• Snorkeling equipment — discover vibrant marine life beneath the waves.
• Fishing equipment — enjoy relaxing angling at sea.
Based In: Greece | Operating Area: Greece / East Mediterranean
POSEIRA is available for charters throughout Greece and the East Med. From the Aegean Islands of Mykonos and Paros to the cultural treasures of Crete, Rhodes, and Kos, and the turquoise anchorages of the Ionian, she offers the perfect base for exploring the region’s most captivating destinations.
POSEIRA is a brand-new Lagoon 55 catamaran combining Lagoon’s pedigree design with modern luxury. With five ensuite cabins, expansive lounging areas, and an impressive array of water toys, she is ideal for families or groups seeking the ultimate Greek island-hopping adventure. Her crew of 3 ensures seamless service and unforgettable memories at sea.
• Brand-new Lagoon 55 (2025)
• 16.56m / 54’4″ with 9m beam
• Sleeps 10 guests in 5 ensuite cabins
• Expansive flybridge, aft deck & foredeck lounges
• Hydraulic swim platform & trampolines
• Air conditioning, generator & watermaker
• E-Foil, Seabobs, SUPs & kayaks included
• Professional crew of 3
• Based in Greece, cruising the East Mediterranean
⚓Book Your Charter Yacht POSEIRA Today
Step aboard POSEIRA and experience Greek sailing at its finest—where wide-open spaces meet modern comfort and thrilling adventures. Availability is limited—secure your East Mediterranean charter today and begin your journey with POSEIRA.