| Official Name: | Las Toninas |
| Pushpin Map: | Argentina Buenos Aires Province#Argentina |
| Pushpin Map Caption: | Location in Buenos Aires Province |
| Pushpin Mapsize: | 200 |
| Subdivision Type: | Country |
| Subdivision Type1: | Province |
| Subdivision Name1: | Buenos Aires |
| Subdivision Type2: | Partido |
| Subdivision Name2: | La Costa |
| Established Date: | 1960 |
| Population Total: | 3,550 |
| Coordinates: | -36.4833°N -98°W |
| Elevation M: | 17 |
| Postal Code Type: | CPA Base |
| Postal Code: | B 7106 |
| Area Code: | +54 2246 |
| Website: | http://lacosta.gob.ar/lugares_interes?localidad=5496 |
Las Toninas is a town in La Costa Partido of the Province of Buenos Aires, Argentina.
Founded in 1960, Las Toninas was christened in honor of the Commerson's dolphin (known locally as a tonina). The shore had been the site of a shipwreck in 1883 of a commercial vessel registered in the British Empire, whose captain settled nearby and established the Estancia Los Ingleses.[1]
The shore at Las Toninas is distinguishable from its sister communities' by the extensive growth of tamarix bushes. These were used to create a hedge maze as a tourist attraction, and the 6,400 m2 (16,000 ft2) maze is touted locally as the nation's largest.[2]
Las Toninas is also known as the "Fiber Optical Capital" in Argentina; because it is the single point where submarine optical fiber networks reach Argentina via several landing cable stations, by companies such as Level 3 (with its SAC ring), TIWS (Atlantis 2), Telecom-Antel (Bicentenario cable system), and Telefónica (SAM 1). The town was chosen because its coastline was not as rocky as others in the region.[3]