Cell towers in Fos-sur-Mer (Bouches-du-Rhône)

Most of the town's 25 masts are pylons (12); 1 water tower make up the rest of the mix.

Place names on the register include RTE 30, Port Autonome, Caban Sud - Goulevielle, Résidence Mazet, La Fossette and La Feuillanne.

ANFR has approved one new site that is not live yet, plus additions on 3 existing masts. New: SFR (4G and 5G, including 5G at 3.5 GHz) at Proche de l'Intersection de Route 5 Avec Route 20. 17 Bouygues Telecom 5G transmitters are listed as technically operational — installed, but not yet declared commercially in service.

The commune owns 2 of the 25 masts, Hivory owns 2.

2016 was the busiest year, with 31 new systems, most of them 4G. Bouygues Telecom opened 5G here in November 2020; Free Mobile followed in December 2020, SFR followed in December 2020. The oldest transmitter still listed here goes back to 1996.

3.5 GHz 5G is declared by Bouygues Telecom on 7 of its 10 masts, Orange on 7 of its 9 masts, SFR on 6 of its 8 masts and Free Mobile on 4 of its 7 masts. 92% of the town's masts carry 5G, more than across Bouches-du-Rhône towns with five or more masts (76%).

ANFR lists a 61 m water tower at Le Cavaou as the tallest structure. The median height of measured supports is 24 m.

Port-de-Bouc lies 4.5 km to the south-east and has only 17 masts.

Supports leave a gap of about 2.1 km to the west of the centre.

Source: operator declarations to ANFR, as of October 2026. Projects that are only approved are left out of the totals.