OPAL | Grammikos Group

Pre-sale

Delivery Date: 2026

Location: Samou 37, Marousi

Size: 78-230 sqm

Starting at: €340.000

BROCHURE

Location: Samou 37, Marousi

Starting at: €340.000

Delivery Date: 2026

BROCHURE

Your Own Jewel

Outstanding, striking, exceptional. Opal is not just another modern domicile. It is more of a statement piece, carefully composed to break the patterns of the contemporary urban fabric, with its alluring morphology, while respecting and complimenting the neighboring properties. It is a synthesis of private spaces, high quality materials, sustainable solutions and high-end technologies bejeweled with luxurious aesthetics, thoughtful architecture, and an abundance of amenities.

Located in the thriving district of Marousi, it compiles an exclusive community of 10 apartments ranging from 74 to 128 sqm and 16 maisonettes ranging from 122 to 204 sqm. The apartments have a unique design and fully eco-friendly character and they vary in size and features in order to meet each resident’s needs. A smart home system allows its residents to have full control of all the house features.

These residences are specially designed for the ones who pursue a sun-drenched place co-existing in perfect harmony with the natural elements, while also providing them with visual escapes creating a strong sense of independence.

The unique and ergonomic architecture of each apartment connects the inside with the outside in a very distinctive way, filling the whole house with natural light and contributing to the privacy of each property.

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Spectacular Design

Opal was designed by Gavalas Architects. The impressive wide openings and the large balconies increase the space and create a harmonious connection between the inside and the outside, allowing every apartment to enjoy the view. The separate entrances provide a boutique-like feeling to the residents.

Comfort & safety

Our residences are thoughtfully designed to combine comfort and safety, blending functionality with aesthetics to create a relaxing, secure, and efficient living space. Open, spacious layouts with abundant natural light ensure ease of movement and convenience. Modern features, premium materials, and a high standard of construction for safety, including advanced systems, provide both comfort, efficiency, and protection. Every detail is carefully crafted to deliver a harmonious balance of comfort, safety, and practicality, making each residence a welcoming and ideal space for everyday living.

Sustainability

We have enhanced each apartment with sustainable features like A+ energy efficiency, EV charging point, double glazing, underfloor heating, and many more, making your house more efficient.

Building Amenities

A+ Energy Efficiency

EV-Parking space

Fire detection system

High quality design & resources

Multiple verandas

Natural flow of air & light

Open plan kitchen

Photovoltaic & solar panels

Pre-installation for alarm system

Storage room

Thermal frames with double glazing (LOW-E)

Thermal insulation

Underfloor heating (heat pump)

Photo Gallery

The Apartments

The Neighborhood

Located in the thriving area of Marousi, Opal is a private retreat within the urban surroundings, providing its residents with privacy, a sense of space and a number of conveniences while being close to the vibrant center. The area offers a variety of amenities, like markets, schools, numerous office complexes and hospitals. It is easily accessible through main roads, like Kifisias Avenue and Attiki Odos, as well as public transportation

Opal’s residents can enjoy their everyday at local cafés, restaurants and bars, the Olympic Athletic Center of Athens, as well as spaces of greenery, such as the Syggrou Estate Forrest and Attiko Park of Vrilissia. If they feel like going on a shopping spree, they can visit The Mall Athens and Golden Hall.

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Natural Landscapes

The area is full of dense greenery and beautiful landscapes, like Syggrou Park, Rematia Chalandriou Park, Mount Pentelikon, and many more, where people can enjoy their long walks and connect with nature.

Entertainment

There are many entertainment options in the area, as the residents can enjoy their free time socializing at the local cafés, bars, and restaurants or if they feel like going on a shopping spree, they can visit the local shops, as well as The Mall Athens and Golden Hall.

Public services and Facilities

Marousi is easily accessible, as it is very close to main roads, like Kifisias Avenue and Attiki Odos, and has convenient public transportation, such as buses, the Green metro line and the future extension of the Yellow metro line. Opal is also extremely close to hospitals, schools, the iconic Olympic Athletic Center of Athens, and many more facilities.

Business District

Opal is a few minutes’ walk from the business district of Marousi, which includes many companies and office complex buildings. This area is very promising because it will house many more local and multinational companies