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From178US$ /night
Check-in
10Mar2026Select date
Check-out
11Mar2026Select date
Rooms and Guests2 Guests, 1 Room
Key details

About the Hotel

Lassi, Argostoli (Kefalonia), Greece, 28100
-
Steps from Makris Gialos Beach
Perfect
9.2
9.2
/10
4.3
4.5
/5

Location

Thalassa Boutique Hotel is located in Lassi, just 500 meters from the renowned Makris Gialos beach. Nestled above Paliostafida beach, this hotel offers stunning views of the entire bay from its public spaces and many rooms. Situated only 10 minutes from Argostoli, guests enjoy easy access to the island's capital's attractions.

Rooms & Suites

The hotel offers 70 stylish accommodation options, including Deluxe Swim-Up rooms and the White Suite with panoramic sea views. All rooms are designed for double occupancy and extend towards lush gardens or the beach with unobstructed views. The newly constructed Deluxe Swim-Up rooms provide access to a shared pool located in the tranquil Mediterranean garden.

Dining

The Eolia Pool Lounge serves a range of Mediterranean dishes made from fresh, locally-sourced ingredients. Breakfast is offered until 11 AM, featuring traditional Greek delicacies and homemade options. Guests can also experience handcrafted cocktails and local wines at the Alaia Lounge Bar, which overlooks the Ionian Sea.

Wellness

The hotel offers a fully equipped fitness center featuring Technogym equipment to maintain workout routines while traveling. A massage room is available for relaxation services to rejuvenate guests after a day of activities. The two outdoor swimming pools, surrounded by olive and pine trees, provide tranquil spaces for relaxation.

Pet-Friendly Amenities

Thalassa Boutique Hotel welcomes pets, making it a great choice for pet owners wishing to include their furry friends in their vacations. The hotel features a dedicated garden area for pets to enjoy. Simba, the hotel's rescue puppy mascot, adds a special touch to the pet-friendly atmosphere.

Highlights

Location: 500 meters from Makris Gialos beach .

Rooms: 70 stylish rooms with sea views .

Dining: Eolia Pool Lounge and Alaia Bar .

Wellness: Fully equipped fitness center .

Pet-Friendly: Welcomes pets and offers a garden area .

Must-do experiences

  • Visit the mesmerizing Melissani Cave for a magical boat ride.
  • Taste fresh seafood at Psaraki, a local favorite by the water.
  • Take a sunset stroll at the picturesque Katavothres Beach.
  • Discover the history at the Archaeological Museum of Argostoli.
  • Explore the local market at Koutavos Lagoon for unique souvenirs.
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Select your room type

Thalassa Boutique Hotel - Adults Only offers a variety of rooms including double rooms, family rooms, and suites with breakfast, free cancelations, and special deals
Superior Double or Twin Room
2 persons
305 sq. feet 
1 Double bed
Heating
Balcony
Superior Double or Twin Room Garden View
2 persons
325 sq. feet 
1 Double bed
Heating
Balcony
Deluxe Double Room
2 persons
305 sq. feet 
1 Double bed
Heating
Balcony
Suite Sea View
2 persons
305 sq. feet 
1 Double bed
Heating
Balcony
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Facilities

Thalassa Boutique Hotel - Adults Only offers amenities for your comfortable stay and unforgettable experiences
Facilities: Perfect
9.3/10Review score

General

  • Non-smoking rooms
  • 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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Dining Onsite

At Thalassa Boutique Hotel, guests find a delightful culinary escape centered around authentic Mediterranean flavors. Featuring a relaxed atmosphere and breathtaking views, the dining options offer a perfect harmony of indulgence and local charm, promising a rejuvenating experience.
Thalassa Boutique Hotel - Adults Only Argostoli  Restaurant photo

Thalassa Restaurant

Mediterranean
Ambiance
Nestled within the serene surroundings of the hotel, the Thalassa Restaurant features a cozy dining room with stunning sea views, perfect for enjoying leisurely lunches.
Key Offerings
Highlights include an eclectic breakfast menu loaded with local delicacies, freshly squeezed juices, aromatic coffee, and an array of creatively prepared dishes featuring fish and meat, alongside delightful desserts.
Reservation
Not needed
Open for lunch from 14:00 - 16:00 daily.

Thalassa Boutique Hotel - Adults Only Location

Lassi, Argostoli (Kefalonia), Greece, 28100
Map view
Lassi, Argostoli (Kefalonia), Greece, 28100
Nearby
Strada del Faro di San Teodoro
Casa Rossa
1500 ft
Beach
Paliostafida beach
1100 ft
Paralia Makris Gialos
1700 ft
Restaurants
Tzogias Taverna
2400 ft
Lassi
Aqua Marina
1900 ft
not known
Zorbas Restaurant
2300 ft
Main Lassi Rd
Tanu's
2200 ft
Restaurant
Butler's House
2700 ft
Lassi Aerodromiou Argostoli
Da Veronica Bar
2400 ft
Nearby Veronica's Jewellery
Da Veronica
2600 ft
Restaurant
Taverna Sirtaki
3000 ft
Main Road
Nefeli Restaurant
3000 ft
Restaurant
Explore Argostoli (Kefalonia)
Local Experiences
Top Attractions
Activities
Dining
Entertainment
Makris Gialos Beach
Makris Gialos Beach
10 minutes' walk
Famous for its golden sands and turquoise waters, perfect for sunbathing and water sports.
Casa Rossa
Casa Rossa
9 minutes' walk
A charming villa turned museum showcasing local history with insightful exhibits and beautiful gardens.
Argostoli Harbour
Argostoli Harbour
25 minutes' walk
Bustling harbor area offering stunning sunset views, cafes, and local shops nearby.
Cave-Hermitage St. Gerasimos
12 minutes' walk
A serene retreat featuring beautiful caves and peaceful surroundings, ideal for a quiet visit.
Snorkeling at Makris Gialos
10 minutes' walk
Rental services available for equipment; vibrant marine life awaits adventurous guests.
Yoga on the Beach
10 minutes' walk
Join local classes for relaxation and mindfulness with stunning ocean views.
Zorbas Restaurant
Zorbas Restaurant
9 minutes' walk
Traditional Greek cuisine in a cozy setting; try the moussaka and fresh seafood specialties.
Aqua Marina
Aqua Marina
7 minutes' walk
Casual dining with delicious Mediterranean dishes; known for its fresh ingredients and friendly service.
Tzogias Taverna
Tzogias Taverna
9 minutes' walk
Authentic taverna vibe with hearty local meals; perfect for a casual family dinner.
Kefalonia Cinema
10 minutes' drive
Local cinema featuring recent films and occasional themed nights; a great way to unwind.
Live Music at Argostoli
25 minutes' walk
Enjoy vibrant local music performances at various venues; often features traditional Greek music.
Getting around
City Centre
Argostoli (Kefalonia)24 min  ·  1.2 mi
Airports
Kefallinia Airport (EFL)10 min  ·  3.9 mi
Zakynthos International Airport (ZTH)185 min  ·  76.6 mi
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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
Wireless 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:
55
Former name
thalassa (adults only)

Reviews and Ratings

Feedback about Thalassa Boutique Hotel - Adults Only from previous guests about their experience.
Review score
Based on 270 verified reviews
9.2/10
Perfect
95%
Recommend
Breakfast
10.0/10
Cleanliness
9.5/10
Comfort
9.5/10
Facilities
9.3/10
Free Wi-Fi
9.5/10
Location
8.9/10
Paid Wi-Fi
10.0/10
Staff
9.5/10
Value for money
8.5/10
Pros
Spacious rooms
Friendly staff
Excellent breakfast
Cons
Small gym
Smoking guests
Broken toilet seat
Guest reviews
based on 670 reviews
4.5/5
based on 344 reviews
9.2/10
No reviews yet on our siteUnfortunately, our guests have not yet left any reviews for this hotel, but you can read reviews from Booking.com.
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FAQs
About Thalassa Boutique Hotel - Adults Only
What is the check-in and check-out policy at Thalassa Boutique Hotel - Adults Only?
Check-in is at 15:00 and check-out is by 11:00.
How far is Thalassa Boutique Hotel - Adults Only from the nearest beach?
The hotel is located 300 meters from the sandy beach of Makris Gialos.
What dining options are available at Thalassa Boutique Hotel - Adults Only?
The hotel features an on-site restaurant serving Mediterranean cuisine and a bar offering drinks and light meals.
Is parking available at Thalassa Boutique Hotel - Adults Only?
Free private parking is available on-site without the need for a reservation.
What recreational facilities does Thalassa Boutique Hotel - Adults Only offer?
The hotel features two seasonal outdoor swimming pools surrounded by lush Mediterranean gardens.
What amenities are included in the rooms at Thalassa Boutique Hotel - Adults Only?
Rooms are equipped with air conditioning, a TV with satellite channels, a safety deposit box, and tea-and-coffee-making facilities.
What is the approximate distance from Thalassa Boutique Hotel - Adults Only to Argostoli?
The hotel is 1 km from Argostoli Harbour.
Does Thalassa Boutique Hotel - Adults Only have a fitness center?
The hotel offers a fully equipped fitness center for guests.
How can I get to the airport from Thalassa Boutique Hotel - Adults Only?
The hotel provides a free airport shuttle service, with options for paid airport pick-up and drop-off.
What types of rooms are available at Thalassa Boutique Hotel - Adults Only?
Room options include Deluxe Suites, Premium Double Sea View, Sea View Suites, and Swim-Up rooms.
Does Thalassa Boutique Hotel - Adults Only offer a bar?
Yes, there is an on-site bar, the Alaia Lounge Bar, providing a stylish setting for evening gatherings.

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Check-in
10Mar2026Select date
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11Mar2026Select date
Rooms and Guests2 Guests, 1 Room