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Environmental initiatives

LED Bulbs

We have changed 110 bulbs throughout the hotsal.

We facilitate the waste separation

We facilitate the waste separation having recycling bins in all the rooms.

Consumption Measurement

To customers, we remember the importance of rationalization in the use of water and use respectful cleaning products.

Earth Hour

Every year we celebrate «Earth Hour» by reducing electricity consumption throughout the hostal.

Corporate Social Responsibility

Curious Card

Collaboration network with establishments of Raval (our neighborhood) with the aim of promoting local commerce with our customers.

Discounts for neighbors and residents

In case you need to accommodate relatives at specific times in case emergency or need. We also offer discounts for the entire local population (residents in Catalonia).


We support culture by offering discounts to artists and clients who come to see a concert in Barcelona.

Associative movements

We participate actively in decisions that can affect our neighborhood and suggest actions to improve it. We also donate part of our profits monthly to Local Associations (Casal d’Infants del Raval, Tot Raval, Diandé Africa, Som Carrer …) and other associations such as Fundació IReS.

Proximity services and products

We use Km.0 products to prepare the breakfasts we serve every morning. Since July 2017, Hostal Mare Nostrum is a partner of Som Energia and CatGas, companies that generate energy from renewable sources.

Housing programs

We help to accommodate people and groups in situations of risk, social exclusion or in times of need, collaborating with the Gremi d’Hotels of Barcelona and other organizations.

Barcelona Curious Guide

Tourist guide that provides information about the most unknown and charming corners of Barcelona, made by all hostal staff.

Events for professionals in the neighborhood

We offer an ideal space for events to discuss common issues.

Social Reputation

What does our neighborhood think about us?


Personalized Eco-Cleaning Room Service

Choose in a personalized way your room eco-cleaning level. You have the opportunity to choose between four levels from more to less sustainable, without forgetting “Do not Disturb”. Your comfort and wellness is our main goal.

Direct Booking = Direct Donation

Through a direct reservation using the code: VALUES4BOOKING we will allocate the same percentage of commission charged by online travel agencies (booking, expedia, ctrip …), to actions aimed at social improvement.

15% of the total price of your reservation will go to sustainable projects (renewable energy, proximity products …) and 5% as a full donation to Diandé Africa, a local NGO that contributes to the social integration of children from Senegal (schooling, labor insertion …).


It is a social enterprise that dedicates 100% of its dividends to projects of access to drinking water for those who need it most. We help by distributing their bottles of water in our facilities.

Solidarity Room

Part of the benefits of this room are allocated to the IReS Foundation and their Hotel Invisible campaign, which works taking care of people in risk situations (social and economic).

Chiringuito de Dios

Help place for the homeless located in our neighborhood (Raval). This social dining room offers breakfast, dinner and personal hygiene. We collaborate collecting clothes that will be sold in “La botigueta solidària” to help finance this project. They can deposit the clothes in the basket that is in reception

Solidarity Bag

More than a souvenir, a huge help. We give the opportunity to all our customers to buy this custom bag. The benefits are fully destined to Diandé Africa. As we have commented previously, this Local NGO contributes to the social integration of children from Senegal (schooling, labor insertion …). Let’s fill toguether these bags with smiles and happiness.

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