It is operating multiple facilities across Greece, which include scientific laboratories, public aquaria and experimental tanks.

This new organisation is a public sector body operating under the supervision of the General Secretariat for Research and Innovation of the Ministry of Development and Investments.

It is a very important research institute on physics, chemistry, biology and geology of the seas and the inner waters, at national and international level.

[7] Some of its most famous exhibits include the embalmed body of a Cuvier's beaked whale; and a 2000 years old skeleton of a Mediterranean monk seal that was found inside a grave in an archaeological site at the port of Rhodes.

[8] Cretaquarium is the largest public aquarium in Greece and it consists of 61 tanks with a total amount of 1.800.000 litres of water.

[10] Research is conducted at the aquarium by the constant observation of some of the animals living there with cameras, for the purpuse of studying their behavior and life cycle.

Cretaquarium is also taking care of wounded or sick animals that are then reintroduced into the wild, in collaboration with local agencies and environmental organisations.

[11] The HCMR-Aqualabs-Cages infrastructure is the largest facility for marine experimental tanks in the Mediterranean; it consists of inland installations, net-pen cages and analytical laboratories.