Written by DiveJourney. Built from public sources and local operator knowledge. Last updated Sep 23, 2026.

• DiveJourney destination directory - Internal-link discovery. The supplied published destination registry also supplies the 17 France paths used here. Some individual pages could not be fetched during research; this is not a claim that they are unpublished or that every link was live-verified.
• DiveJourney Marseille destination - Regional orientation and internal anchor; primary park sources govern legal statements.
• DiveJourney French Riviera destination - Riviera hubs, activities and internal destination anchor.
• DiveJourney Martinique destination - Martinique internal anchor and regional trip context.
• DiveJourney Corsica regional sources - Tourism, operator, park and transport source discovery for Corsica.
• Cote d'Azur France: scuba diving - Official regional tourism: Mediterranean habitats, regional diving and seasonal context.
• Port-Cros National Park: scuba rules - Named, calendar-year scuba authorization; CAPEL process and current badge instructions for the marine cores.
• CAPEL: diving in the park - Operational authorization and park-diving framework; boat and guide charges are separate.
• Port-Cros National Park: La Palud trail - Marked self-guided snorkeling trail; the park does not itself organize guided visits.
• Pyrenees-Orientales: marine reserve regulations - Official Cerbere-Banyuls regulation entry point and activity restrictions.
• Cerbere-Banyuls governing marine decree - Primary legal text, especially Article 4: restrictions on apnea and scuba, authorization, protected zoning and contact with habitats. The relevant page was visually inspected.
• Cerbere-Banyuls: scuba authorization - 2026 annual application process, deadlines and quotas; not a guaranteed on-arrival visitor pass.
• FFESSM: Peyrefite underwater trail - Surface-snorkeling trail context, distinct from permission for freediving.
• Cote Bleue Marine Park: reserve regulation update - July 2026 notice describing the June 2026 update, scuba and anchoring prohibitions in the two reserves, and additional propulsion-device restrictions.
• Calanques National Park: marine regulations - Marine zoning, navigation, moorings, commercial excursions and preservation of archaeological remains.
• Calanques National Park: fire-related access - June-September daily land-access restrictions and the distinction between boat access and permission to land.
• Calanques National Park: Sugiton reservation - Free reservations on the published 2026 control dates; not a year-round park entrance ticket.
• Corsica Regional Natural Park: Scandola - Reserve rules including scuba prohibition, anchoring restrictions and changing wildlife-protection zones.
• Bouches de Bonifacio Nature Reserve: regulations - Official entry point for southern Corsican reserve zoning and local rules; no generalized all-zone permission is assumed.
• Iroise Marine Natural Park - Western Brittany protected marine environments and wildlife context.
• Lake Annecy tourism: diving - Official freshwater scuba and apnea activity directory and operator context.
• CISALB: Lake Bourget monitoring - Official lake monitoring showing summer stratification and variable transparency; observations are not presented as climatological monthly averages.
• Aiga Viva: Villefranche bay - Primary operator context for dedicated Villefranche freediving.
• Incantu: training infrastructure - Primary operator context for Galeria training facilities and equipment planning.
• FFESSM freediving competition calendar - Current competition-calendar entry point; no unverified recurring sea-event date is assigned.
• Martinique Tourism: diving - Official island diving orientation, reef and wreck context.
• Martinique Tourism diving brochure - Official mixed-holiday and warm-water background. Visually inspected; older population counts and prices were not carried forward.
• Martinique Marine Natural Park - Official marine-park framework and conservation context.
• Guadeloupe National Park - Protected coastal ecosystems and current park notices. Local activity zoning needs a site-specific check.
• Reunion Tourism: lagoon and marine reserve - Ermitage and La Saline snorkeling context, reef precautions and austral-winter humpback observation; not a substitute for legal restrictions.
• Reunion Tourism: underwater activities - Official context for lagoon and ocean activities in Reunion.
• Reunion maritime authority: general activity regulation - Authority entry point for current water-activity rules. No older blanket snorkeling prohibition is assumed to remain current.
• Meteo-France: Mistral - Regional wind context; a sunny forecast does not establish safe sea conditions.
• Meteo-France Guadeloupe: climate - Official dry/wet seasonal context for Guadeloupe; not a replacement for marine forecasts.
• Meteo-France Martinique: 2026 cyclone-season bulletin - Official June-November Atlantic season framing and the distinction between basin outlooks and local impact predictions.
• Meteo-France Reunion: climate - Austral seasons, rainfall variation and the limits of a single island-wide climate description.
• Meteo-France Reunion: cyclone monitoring - Official current cyclone monitoring; seasonal travel recommendations do not override alerts.
• SeaTemperature.info: Nice - Secondary historical surface-sea monthly minimum/maximum values, rounded to whole Celsius units in the guide. Not official climate normals or water temperatures at depth.
• SeaTemperature.net: Ouessant - Secondary monthly surface-sea range reference for the exposed Iroise. Displayed Fahrenheit minimum/maximum values converted to Celsius and rounded; historical period not independently standardized.
• SeaTemperature.net: Biarritz - Secondary monthly Basque surface-sea ranges, converted from displayed Fahrenheit values and rounded to whole Celsius units.
• SeaTemperature.net: Fort-de-France - Secondary monthly Martinique surface-sea ranges, converted from displayed Fahrenheit values and rounded. Extremes are not typical daily temperatures.
• SeaTemperature.info: Saint-Gilles-les-Bains - Secondary historical monthly Reunion sea-temperature ranges, rounded. Calendar months were used rather than the site's generic hemisphere season labels.
• Timeanddate: Nice climate - Secondary station-based air-temperature reference for summer and September; air data are explicitly separated from sea data.
• Timeanddate: Brest climate - Secondary station-based air-temperature comparison for Brittany; not an underwater-visibility source.
• France-Visas: visa assistant - Official nationality-, residence- and destination-specific entry assessment and application routing.
• France-Visas: arrival in France - Passport validity, supporting entry documents and border-arrival requirements.
• Service Public: overseas visa requirements - Overseas territories are outside Schengen; territorial visa requirements and residence/long-stay-visa exemptions must be checked.
• European Commission: Entry/Exit System - Official EES implementation and scope; operational status is distinct from ETIAS.
• European Union: ETIAS portal - Official traveler recheck link. The page was not fully readable in the research interface, so no confirmed ETIAS launch date or fee is asserted in this guide.
• Service Public: accommodation tourist tax - Municipality- and accommodation-dependent taxe de sejour and exemptions.
• Nice Airport: public transport - Official airport ground-transport options; current route details should be checked before arrival.
• Marseille Airport: coaches - Official A1 Saint-Charles reference journey time; waiting, congestion and onward harbor travel are additional.
• Air Corsica: Figari Airport - Published distances and reference drive times to Bonifacio and Porto-Vecchio, plus local transport options. Older parking and baggage prices were not reused.
• TLV-TVM island ferries - Official Hyeres-island route and timetable planning; departure ports vary by island.
• Lake Annecy tourism: getting there - Official Alpine-lake gateway and onward-transport context.
• DGAC: airport safety-information directory - Official airport directory including names and ICAO/IATA identifiers. Not used as passenger route or airline timetable evidence.
• Guadeloupe Airport: access and ground transport - Current Guadeloupe Maryse Conde airport naming and access information; older Pole Caraibes branding is not used as the primary name.
• French airport union: Reunion Roland Garros - Industry airport directory confirming RUN and FMEE identifiers.
• Legifrance: organized scuba-diving rules - Code du sport framework for supervised establishments, dive-director responsibilities and aptitude assessment.
• FFESSM: medical certificate - Current federation medical-certificate guidance; requirements should not be generalized across every introductory activity.
• Service Public: maritime emergencies - 196 coastal maritime alert and VHF channel 16 from vessels; shore emergency assistance.
• DAN Europe: emergency assistance - Current international emergency contact, +39 06 4211 5685; contact local emergency services first.
• DAN: flying after diving - Minimum flying-after-diving guidance and the need for longer intervals after decompression exposure.
• DAN: freediving safety awareness - Trained supervision, blackout prevention and avoiding hyperventilation.
• DAN: breath-hold diving after scuba - Risk context for combining breath-hold diving with compressed-gas exposure; no invented universal safe interval is supplied.
• AP-HM Marseille: hyperbaric medicine - Verified Marseille service; rescue coordinators should choose the receiving facility.
• Nice University Hospital: hyperbaric unit - Verified Nice Pasteur 2 hyperbaric service, not a substitute for calling emergency services.
• Ajaccio Hospital: hyperbaric medicine - Verified Corsican hyperbaric service; no island-wide response time is assumed.
• Lyon University Hospitals: hyperbaric center - Verified Lyon service relevant to inland referral planning.
• France.fr: electricity - Official national tourism guidance on mainland electricity and plug compatibility.
• IEOM: French Pacific monetary institute - Primary monetary authority for French Pacific territories using the CFP franc; euro assumptions do not apply everywhere in overseas France.
• DGCCRF: tipping and service - Official distinction between included service and a voluntary gratuity.
• Your Europe: mobile roaming - EU roaming eligibility, fair-use rules and separate maritime or satellite-network charges.