Thalassa Boutique Hotel - Adults Only, Argostoli (Kefalonia) ➤ Reviews, Rooms & Prices 2025

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About the Hotel

Lassi, Argostoli (Kefalonia), Greece, 28100

Perfect

9.2

9.1

/10

4.3

“Thalassa's location is perfect, just a stone's throw from beautiful beaches and a short stroll to lively town attractions.”view full review

Thalassa Boutique Hotel - Adults Only is a 4-star property with a Booking.com rating of 9.0, offering a luxurious seaside escape in Argostoli (Kefalonia). This hotel features two swimming pools, a fitness center, and an on-site dining restaurant, making it suitable for adults seeking a relaxing getaway near famous beaches such as Makris and Platis Gialos.

Rooms & Amenities

Thalassa Boutique Hotel - Adults Only provides well-appointed rooms and suites designed for couples and solo travelers. Most accommodations offer sea or pool views, complemented by modern amenities alongside a relaxing design featuring earthy tones and quality furnishings.

Dining & Leisure

Guests are invited to savor traditional Greek cuisine at the on-site dining options, including a buffet breakfast featuring locally sourced ingredients. The pool bar offers light meals and crafted cocktails, enhancing the dining experience throughout the day.

Services & Local Area

Emergency contact services are available through the 24-hour concierge, assisting with local exploration and excursions. The hotel is located a short walk from Lassi's beaches, with access to a good bus network connecting to Argostoli and surrounding areas.

Location & Activities

Thalassa Boutique Hotel - Adults Only is positioned ideally for exploring local attractions, such as Argostoli Harbour and Italian War Museum, all within 1 miles. Nearby activities include water sports, beach lounging, and dining options just moments away.

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Select your room type

The hotel offers a variety of rooms including double rooms, family rooms, and suites with breakfast, free cancelations, and special deals

Superior Double or Twin Room Garden View

2 persons

30 m²

1 Double bed

Heating

Balcony

room details

Superior Double or Twin Room

2 persons

28 m²

1 Double bed

Heating

Balcony

room details

Suite Sea View

2 persons

28 m²

1 Double bed

Heating

Balcony

room details

Deluxe Double Room

2 persons

28 m²

1 Double bed

Heating

Balcony

room details

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Price and Room Availability Calendar

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Facilities

The hotel offers amenities for your comfortable stay and unforgettable experiences

Relaxing Pool Area

“The pool area was stunning, with gorgeous day beds and a beautiful garden that made lounging around a pure delight.” view full review

Delicious Meals

“The in-house restaurant offered an excellent menu with a fantastic variety of dishes; every meal we had was delicious.” view full review

Comfortable Stay

“Our upgraded room was spacious and beautifully decorated, providing a cozy sanctuary to relax after a day of exploring.” view full review

Luxurious Showers

“The walk-in shower was really good, featuring modern design and great water pressure that made for refreshing experiences.” view full review

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

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

Getting around

City Centre

Argostoli (Kefalonia)24 min · 2.0 km

Airports

Kefallinia Airport (EFL)10 min · 6.2 km

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Property information and rules

Check-in

from 15:00-23:30

Check-out

from 01:00-11:00

Guest Parking

Private parking is possible on site for free.

Internet

is available in for free.

Breakfast

At the hotel Thalassa Boutique - Adults Only guests are invited to a full breakfast served for free.

Children & extra beds

There are no extra beds provided in a room.

Pets

Pets are allowed on request.

Year renovated:

2006

Number of rooms:

Former name

thalassa (adults only)

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Thalassa Boutique Hotel - Adults Only, Argostoli (Kefalonia)

About the Hotel

Rooms & Amenities

Dining & Leisure

Services & Local Area

Location & Activities

Select your room type

Price and Room Availability Calendar

Facilities

General

Sports & Fitness

Services

Dining

Business

Spa & Leisure

Room features

Bathroom

Media

Location

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