Greece
Argostoli (Kefalonia)
Thalassa Boutique Hotel - Adults Only
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Welcome to Thalassa Boutique Hotel - Adults Only – Argostoli (Kefalonia)

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From151US$ /night
Check-in
25Oct2025Select date
Check-out
26Oct2025Select date
Rooms and Guests2 Guests, 1 Room
Key details

About the Hotel

Lassi, Argostoli (Kefalonia), Greece, 28100

Thalassa Boutique Hotel - Adults Only is a 4-star romantic retreat perched above Paliostafida beach, featuring two swimming pools surrounded by Mediterranean gardens of local herbs, pine and olive trees.

Elegant Room Options

Elegant rooms at Thalassa Boutique Hotel - Adults Only exude timeless sophistication with custom-made furniture, Italian fabrics, and Mediterranean colors. Accommodations range from Deluxe Garden View rooms to the signature White Suite with Panoramic Sea View, all featuring king-size beds and private balconies or terraces.

Farm-to-Table Dining

The Mediterranean breakfast at Thalassa Boutique Hotel features organic products from the hotel's farm including fresh eggs, olive oil, and homemade jams. Eolia Pool Lounge serves authentic Greek dishes using locally produced ingredients, while Alaia Lounge Bar offers signature cocktails with stunning sunset views.

Pools and Wellness

Two freshwater swimming pools invite guests to lounge under olive trees with refreshing drinks from the pool bar. The hotel features a fully equipped fitness center with TECHNOGYM instruments and a massage room for complete rejuvenation.

Strategic Island Location

Located in Lassi resort, Thalassa Boutique Hotel offers easy access to Makris Gialos beach just 500m away and Paliostafida beach directly below the property. The hotel is 2km from Argostoli capital, 5km from the airport, and serves as an ideal starting point for exploring Kefalonia's beaches and villages.

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Select your room type

Choose from doubles, suites, or family rooms, many with breakfast, flexible cancellation, and promotional rates
Superior Double or Twin Room
Superior Double or Twin Room
2 persons
28 m² 
1 Double bed
Heating
Balcony
room details
Superior Double or Twin Room Garden View
Superior Double or Twin Room Garden View
2 persons
30 m² 
1 Double bed
Heating
Balcony
room details
Deluxe Double Room
Deluxe Double Room
2 persons
28 m² 
1 Double bed
Heating
Balcony
room details
Suite Sea View
Suite Sea View
2 persons
28 m² 
1 Double bed
Heating
Balcony
room details
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Price and Room Availability Calendar

Check availability and prices for your dates now!

Getting around

A guide to all available transportation options

City Centre
Argostoli (Kefalonia) 2.0 km
Airports
Kefalonia (EFL) 6.2 km

Facilities

Boutique hotels design their amenities with your relaxation and unique travel experiences in mind
Free Wi-Fi
Free parking
Luggage storage
24-hour services

24-hour reception

General

  • Non-smoking rooms
  • Free Wi-Fi
  • Parking
  • Safe deposit box
  • 24-hour reception
  • Pets allowed
  • Security
  • Adults only
  • Fireplace
  • Smoke detectors
  • Electric vehicle charging station
  • Fire extinguishers

Sports & Fitness

  • Fitness centre

Services

  • Airport shuttle
  • Room service
  • Housekeeping
  • Car hire
  • Laundry
  • Dry cleaning
  • Tours/Ticket assistance

Dining

  • Restaurant
  • Bar/ Lounge area

Business

  • Fax/Photocopying

Spa & Leisure

  • Seasonal outdoor pool
  • Beach umbrellas
  • Sun loungers
  • Sun terrace
  • Garden area
  • Spa centre
  • Back massage
  • Head massage
  • Full body massage
  • Foot massage

Room features

  • Air conditioning
  • Soundproofed rooms
  • Garden furniture
  • Ironing facilities

Bathroom

  • Free toiletries

Media

  • AM/FM alarm clock
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Location

Lassi, Argostoli (Kefalonia), Greece, 28100
Map view
Lassi, Argostoli (Kefalonia), Greece, 28100
City landmarks
Beach
Makris Gialos Beach
790 m
Landmark
Lassi
980 m
Landmark
Platis Gialos Beach
1.3 km
Landmark
Casa Rossa
740 m
Landmark
Platys Gialos
1.1 km
Beach
Paliostafida beach
860 m
Landmark
Bridge De Bosset and its Monument
2.5 km
Museum
Archaeological Museum of Argostoli
2.4 km
Beach
Gradakia beach
1.3 km
Landmark
Argostoli Harbour
2.3 km
Landmark
Cave-Hermitage St. Gerasimos
960 m
Landmark
Paralia Makris Gialos
770 m
Landmark
Caves
870 m
Museum
Italian "Divisione Acqui" War Museum
2.0 km
Landmark
Paralia Platis Gialos
960 m
Landmark
Bell Square
2.1 km
Church
Saint Spiridon Church
2.0 km
Landmark
Korgialenio Historic and Folklore Museum
2.3 km
Garden
Cephalonia Botanica
2.9 km
Church
Church of Panagia Sissiotissa
2.2 km
Mall
Lithostroto
2.3 km
Landmark
The Bell Tower
2.1 km
Landmark
Focas-Cosmetatos Foundation
2.5 km
Park
Botanical garden
1.7 km
Landmark
Sea Kayaking Kefalonia
1.7 km
Landmark
Argostoli Lagoon
2.4 km
Church
Catholic church of St Nicolai
2.9 km
Landmark
Saint Eleftherios
1.9 km
Landmark
Parko Napier
2.3 km
Beach
Small beach
2.0 km
Nearby
Strada del Faro di San Teodoro
Casa Rossa
440 m
Beach
Paliostafida beach
310 m
Paralia Makris Gialos
510 m
Restaurants
Tzogias Taverna
730 m
Lassi
Aqua Marina
550 m
not known
Zorbas Restaurant
690 m
Main Lassi Rd
Tanu's
660 m
Restaurant
Butler's House
800 m
Lassi Aerodromiou Argostoli
Da Veronica Bar
730 m
Nearby Veronica's Jewellery
Da Veronica
780 m
Restaurant
Taverna Sirtaki
910 m
Main Road
Nefeli Restaurant
890 m
Restaurant
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Check-in
25Oct2025Select date
Check-out
26Oct2025Select date
Rooms and Guests2 Guests, 1 Room
  • Overview
  • Rooms
  • Price calendar
  • Facilities
  • Location
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