At present his population concentrates in three big nuclei: San Pedro del Pinatar, Lo Pagán and The Cairn.

The population is slightly heterogeneous with enough immigrants
It is neighboring with the province of Alicante and it is to only 49 km of Murcia. San Pedro del Pinatar is located between the Minor Sea and Mediterranean Sea.

It is a question of a small peninsula that has fourteen kilometers of coast distributed between two seas. The beaches in the Minor Sea are: Villananitos, The Puntica and The Mote. In the Mediterranean there are the Beaches of The Trowel, which are the Beach of Salinas, Shed Burned and Top of Seaweed. Along with these is the port.

It is placed in a coastal depression that population finishes in two nuclei of : The Cairn shared with the province of Alicante, and It Pagán, which borders on San Javier. Between these nuclei there is the most important wetland of the Region of Murcia: the nature reserve of Salinas and Sandbanks of San Pedro of the Pinatar, with almost 900 There is. In this park Flemings they can find, gulls, albatross, herons, and owls; he has mobile dunes, with a flora typical: irises of sea, reeds and canes

This town received his name about the XVIIth century. Before this epoch the locality was called "The Pinatar", since it was an extensive mass forest where the pines were abounding and to which one was coming in winter to to hunt the wild boar; Alfonso XI like that reflected it in the Book of Hunt.

After the construction of a chapel to San Pedro Apóstol and fisherman (since the inhabitants of The Pinatar were fishermen), villagers it began to name PEDRO OF THE PINATAR SAN.

Up to the times of the Liberal Triennium the whole area was depending of Town hall of Murcia, and in this epoch the new municipality formed of San Pedro of the Pinatar.

Marine archaeological remains exist that Phoenician merchants indicate the step of from 2600 years BC. It is supposed that it was one of the bases used for the conquest of Cartagonova (Cartagena) for Publio Cornelio Escipión in the wars púnicas (on 203 B.C.). The Pinatar develops like a Roman town centred on industry salinera, of a big importance in this epoch. Of this one way seems to be that the August Route was passing for San Pedro of the Pinatar (this roadway was joining Cartagena with Rome). The discovery of enough flotsams remains demonstrates that also a high one existed marine traffic.

The fall of the Roman Empire and the later conquests visigóticas and Arabs turned The Pinatar into a fishing town. The Arab fishing skills are much well-known so called encañizadas that are supported at present like an art in the Minor Sea.

After the Christian reconquest discord turns into one of the areas in between the kingdoms of Castile and of Aragon. The agreement of Torrellas in 1305 modified by the agreement of Elche, places in the border with the territories of the Crown of Aragon even her unification of kingdoms realized by Reyes Católicos. In this one the population increases epoch due to the family establishment Castilian in the area.

In the XVIth and XVIIth centuries the economic activities keep on being the fishing, farmers and derivatives of the work in Salinas. Without I impede, it is necessary to construct along the whole coast "towers watchtowers" due to the incursions of the Berber pirates, which in some occasion llegarón to penetrate up to Murcia. The tower of Pinatar was constructed in 1602 and it appears in the shield of San Pedro of Pinatar, but it does not survive at present. The Tower of the Estacio is an example of other one of these typical towers of the southern coast Mediterranean that were forming a chain from the Tower of the Drilled one up to Eagles.

In the XVIIth century the Franciscans found a chapel and the population happens to be named San Pedro of the Pinatar, depending on parish of San Miguel of Salinas.

In the war of Spanish Succession the armed British capture Cartagena and the whole region of the Minor Sea (1706) on behalf of the Archduke Carlos de Austria. Bourbon they her recover later thank you the army ordered by the duke of Berwick, whom there were donated to him some grounds of San Pedro of the Pinatar.

In the last quarter of the XVIIIth century the population doubles thank you to the relative prosperity of the municipality and to the colonizing process associated with the existence of more plowed grounds, the introduction of new cultivation and a major safety in the area. In this epoch he installs the image of San Pedro Apóstol, acts of Francisco Salzillo in the church of the same name.

At the end of this century (June 1, 1796) the king is requested Carlos IV the creation of the Fair of San Pedro of the Pinatar. This one request realizes an incipient bourgeoisie pinatarense in times in that the municipality still not existed, depending on Murcia and with one population of approximately 1600 inhabitants. With date October 24, 1976 the king grants license to celebrate in the field of The Pinatar, her annual fair, on June 29 and three following ones. At present it keeps on being celebrated in the set of the Management Holidays.

Until 1820 there is no attempt of creating an independent municipality, with base in the Constitutions that citizens recognize the rights of opposite to the power of the King. Nevertheless, the period absolutist does that it is not possible to obtain.

September 16, 1836 constitutes the first one Town hall segregated of that of Murcia and the first mayor is José Imbernón Ruíz.

In the year 1854 and 1855 it produces a rage epidemic to herself in everything area with a high morbidity, fleeing of the epidemic many bourgeoises and members of the well-off classes construct themselves "country houses" for the summer holiday; very well-known someone were "House of Russian", "Town Happiness", "Town Teresa" and the "House of the clock". Hence there begins arising the wide tourist tradition of the area.

In 1857 a marine Customs one believes in San Pedro of the Pine grove, what provides a certain relevancy in the area.

In 1869 there are privatized Salinas, who belonged to the Crown from the Christian reconquest. At present they belong to the company Spanish Salinera.

During the XIXth and XXth centuries relevancy turns into tourist population of and with his biggest activity in the summer months.

On May 25, 1899, there dies D. Emilio Castelar y Ripoll, president of the First Spanish Republic, in the "House of the clock", also acquaintance as "Country house of San Sebastian" and that from ends of it has reconstructed and turned XXth century into a restaurant.

In 1890 Lo Pagán is founded. But until 1918 the current one does not construct himself way that communicates it with San Pedro of the Pinatar.

In 1919 a very important flood took place in the municipality and in 1987 there produced other one that it affected to diverse areas, especially the constructions to herself in the ancient boulevards like that of The Antolinos. As a result of the last one sewerage improved the system of .

In the last quarter of the XXth century the population doubles like consequence of the economic growth. From the sixties a very important tourist explosion takes place. As a result of this development new infrastructures are created, the drinking water from the Channels of the Taibilla comes in 1960, the same year constructs the port I shelter in Salinas; this way in the years seventy gets ready of system of illumination public and laid drains in Lo Pagán.

From 1991 the government of the municipality has been in hands of D. Pedro José Pérez (PP) with order until 2007, what does one of Spanish democratic mayors with more time in his charge.