Aldesa, in collaboration with Telhidra, has been awarded the contract to manage the Mar de Cristal Marina, located in Cartagena. This agreement, signed on 26th September 2025, stipulates that the concession will last for a period of 20 years, with the aim of improving and modernising the port facilities, as well as providing more efficient and sustainable management.
The concession contract covers the full management of the marina, which has 111 wet berths and 64 dry marina spaces, spread over a total area of more than 25,000 m². This space will also include commercial and dining activities, which will contribute to revitalising the area and enhancing the services offered to marina users.

Commitment to Sustainability and Safety
One of the main focuses of the project is enhancing safety and accessibility at the marina. Planned improvements include the installation of a video surveillance system, new lighting towers, and a permanent watchtower to ensure 24-hour security. Furthermore, accessibility for people with reduced mobility will be improved, with specialised equipment for embarking and disembarking passengers, as well as the adaptation of toilets at the marina.
The project also includes a significant commitment to digitalization, with the incorporation of new technologies for the efficient management of port resources. These actions aim to optimize the use of the facilities and offer a more comfortable and safe experience for port users.
Focus on Regional Development
With this concession, Aldesa reinforces its commitment to the development of infrastructure in the Mar Menor region, contributing to the improvement of services and the sustainability of the environment. The project also includes a significant commitment to digitalization, with the incorporation of new technologies for the efficient management of port resources.
Aldesa continues to strengthen its position as a leader in the infrastructure sector, with landmark projects both nationally and internationally, ranging from the construction of ports and roads to large-scale renewable energy and building developments.
Sobre Aldesa
Aldesa is a global leader in the development and management of infrastructure, with over 50 years of experience. Its investment area channels activities towards sustainable projects, particularly in road, port, railway, and renewable energy infrastructure concessions. With a presence in 15 countries and a team of more than 2,500 professionals, Aldesa provides integrated, cost-effective solutions tailored to the needs of its clients.




