{"asOf":"2026-06-01","marina":{"id":"HI-MC-PORT-HERCULE-MONACO","canonicalHarborId":"de4ff487-e5b5-529a-b52c-fa5f37163bcb","slug":"port-hercule-monaco","name":"Port Hercule","localName":"Port Hercule de Monaco","unlocode":"MCMON","country":"Monaco","countryCode":"MC","region":"west-med","cruisingGround":"Côte d'Azur","locality":"Monaco-Ville / La Condamine","coordinates":{"lat":43.7352,"lon":7.4256},"timezone":"Europe/Monaco","summary":"The principality's deep, breakwater-protected yacht harbour and the operational heart of the Monaco Yacht Show. Night entry is controlled, megayacht quays are scarce, and September occupancy is a planning problem rather than a berth search.","identity":{"operator":{"value":"Société d'Exploitation des Ports de Monaco","sourceId":"PA","confidence":"VERIFIED","observedAt":"2026-06-01","truthState":"KNOWN"},"authority":{"value":"Direction des Affaires Maritimes, Monaco","sourceId":"PA","confidence":"VERIFIED","observedAt":"2026-06-01","truthState":"KNOWN"},"established":1926,"status":"OPERATIONAL","vhf":{"value":"12","sourceId":"HM","confidence":"VERIFIED","observedAt":"2026-06-01","truthState":"KNOWN","notes":"Port of Monaco working channel"}},"envelope":{"harborType":"BREAKWATER","yachtFocus":"MEGA","coordination":"COORDINATED","maxLoaM":{"value":140,"sourceId":"HM","confidence":"REPORTED","observedAt":"2026-06-01","truthState":"KNOWN","notes":"Largest published alongside capability on Quai Rainier III / north quay; exceptional visits are case-by-case","unit":"m"},"maxBeamM":{"value":25,"sourceId":"OP","confidence":"REPORTED","observedAt":"2026-06-01","truthState":"KNOWN","unit":"m"},"maxDraftM":{"value":8,"sourceId":"HO","confidence":"VERIFIED","observedAt":"2026-06-01","truthState":"KNOWN","notes":"Controlling depth on the large-yacht quays; confirm siltation after winter storms","unit":"m"}},"hydrography":{"controllingDepthM":{"value":7,"sourceId":"HO","confidence":"VERIFIED","observedAt":"2026-06-01","truthState":"KNOWN","unit":"m"},"tideRangeM":{"value":0.4,"sourceId":"HO","confidence":"VERIFIED","observedAt":"2026-06-01","truthState":"KNOWN","notes":"Microtidal","unit":"m"},"surgeRisk":{"value":"MODERATE","sourceId":"OR","confidence":"VERIFIED","observedAt":"2026-06-01","truthState":"KNOWN","notes":"Easterly swell can set into the outer basin"},"siltation":"Periodic dredging of the north basin after easterly weather.","holding":"Anchoring inside the port is prohibited; outside is exposed and usually forbidden."},"basins":[{"id":"port-hercule-monaco-north","name":"North / megayacht basin","controllingDepthM":{"value":8,"sourceId":"HO","confidence":"VERIFIED","observedAt":"2026-06-01","truthState":"KNOWN","unit":"m"}},{"id":"port-hercule-monaco-south","name":"South / Condamine basin","controllingDepthM":{"value":5,"sourceId":"HO","confidence":"VERIFIED","observedAt":"2026-06-01","truthState":"KNOWN","unit":"m"}}],"piers":[{"id":"port-hercule-monaco-qr3","basinId":"port-hercule-monaco-north","name":"Quai Rainier III","mooring":"ALONGSIDE","berthCount":{"value":8,"sourceId":"HM","confidence":"REPORTED","observedAt":"2026-06-01","truthState":"KNOWN"},"maxLoaM":{"value":140,"sourceId":"HM","confidence":"REPORTED","observedAt":"2026-06-01","truthState":"KNOWN","unit":"m"},"guestFacing":true},{"id":"port-hercule-monaco-lquai","basinId":"port-hercule-monaco-north","name":"Large yacht pontoons","mooring":"ALONGSIDE","berthCount":{"value":18,"sourceId":"OP","confidence":"REPORTED","observedAt":"2026-06-01","truthState":"KNOWN"},"maxLoaM":{"value":80,"sourceId":"OP","confidence":"REPORTED","observedAt":"2026-06-01","truthState":"KNOWN","unit":"m"},"guestFacing":true},{"id":"port-hercule-monaco-condamine","basinId":"port-hercule-monaco-south","name":"Condamine finger pontoons","mooring":"ALONGSIDE","berthCount":{"value":250,"sourceId":"OP","confidence":"ESTIMATED","observedAt":"2026-06-01","truthState":"KNOWN"},"maxLoaM":{"value":30,"sourceId":"OP","confidence":"REPORTED","observedAt":"2026-06-01","truthState":"KNOWN","unit":"m"},"guestFacing":true}],"berthClasses":[{"id":"c-small","pierId":"port-hercule-monaco-condamine","label":"Local / visiting <20 m","loaFromM":8,"loaToM":20,"count":{"value":180,"sourceId":"OP","confidence":"ESTIMATED","observedAt":"2026-06-01","truthState":"KNOWN"},"typicalPower":["16A","32A"]},{"id":"c-mid","pierId":"port-hercule-monaco-lquai","label":"Superyacht 20–50 m","loaFromM":20,"loaToM":50,"count":{"value":40,"sourceId":"OP","confidence":"REPORTED","observedAt":"2026-06-01","truthState":"KNOWN"},"typicalPower":["63A","125A"]},{"id":"c-mega","pierId":"port-hercule-monaco-qr3","label":"Megayacht 50 m+","loaFromM":50,"loaToM":140,"count":{"value":12,"sourceId":"HM","confidence":"REPORTED","observedAt":"2026-06-01","truthState":"KNOWN"},"typicalPower":["400A","shore 400V"]}],"restrictions":[{"id":"mc-night","kind":"NIGHT_ENTRY","summary":"Night entry is controlled and usually requires prior arrangement with the harbour master's office.","sourceId":"HM","confidence":"VERIFIED"},{"id":"mc-speed","kind":"SPEED","summary":"Speed limited inside the port; dead slow, no wake.","sourceId":"HM","confidence":"VERIFIED"},{"id":"mc-isps","kind":"ISPS","summary":"ISPS access control on the large-yacht quays during events and for most visiting yachts over 500 GT.","sourceId":"HM","confidence":"VERIFIED"},{"id":"mc-gen","kind":"GENERATOR","summary":"Generator hours restricted alongside; shore power is expected.","sourceId":"HM","confidence":"VERIFIED"},{"id":"mc-anchor","kind":"ANCHOR","summary":"No anchoring in the harbour or in the immediately adjacent roads without authority.","sourceId":"HM","confidence":"VERIFIED"}],"notices":[{"id":"mys-2026","title":"Monaco Yacht Show quay reservation freeze","issued":"2026-04-15","expires":"2026-10-01","severity":"CAUTION","body":"During the September show window, transient megayacht quays are allocated by event organisers, not the ordinary visitor list. Do not treat published winter capacity as available.","sourceId":"HM","confidence":"VERIFIED"}],"customs":{"portOfEntry":{"value":true,"sourceId":"PA","confidence":"VERIFIED","observedAt":"2026-06-01","truthState":"KNOWN"},"immigrationOnSite":{"value":true,"sourceId":"PA","confidence":"VERIFIED","observedAt":"2026-06-01","truthState":"KNOWN"},"afterHours":"On-call through harbour master; medical and state visits can be cleared after hours.","notes":"Monaco maintains its own formalities while remaining in the French customs sphere. EU yachts still complete arrival formalities."},"services":{"fuel":{"available":{"value":true,"sourceId":"OP","confidence":"VERIFIED","observedAt":"2026-06-01","truthState":"KNOWN"},"grades":["MGO","diesel"],"bunkerAlongside":true,"notes":"Bunkering is scheduled, not walk-up, for yachts over ~30 m."},"water":{"potable":{"value":true,"sourceId":"OP","confidence":"VERIFIED","observedAt":"2026-06-01","truthState":"KNOWN"},"notes":"Potable water on all visitor quays."},"shorePower":{"voltages":["230V","400V"],"amps":["16A","32A","63A","125A","400A"],"hz":["50Hz"],"notes":"Megayacht shore power on Quai Rainier III."},"waste":{"black":true,"grey":true,"pumpOut":true,"garbage":true},"wifi":{"value":"MARINA_WIDE","sourceId":"OP","confidence":"REPORTED","observedAt":"2026-06-01","truthState":"KNOWN"},"security":{"value":"ISPS quay control + port police","sourceId":"PA","confidence":"VERIFIED","observedAt":"2026-06-01","truthState":"KNOWN"},"provisioning":["yacht chandlery nearby","Monaco gastronomy","crew supermarket in Condamine"],"concierge":true},"fees":[{"referenceLoaM":30,"currency":"EUR","highSeasonDaily":{"value":420,"sourceId":"OP","confidence":"ESTIMATED","observedAt":"2026-06-01","truthState":"KNOWN","notes":"High-season daily band for ~30 m; not a quote","unit":"EUR"},"notes":"High-season daily band for ~30 m; not a quote"},{"referenceLoaM":50,"currency":"EUR","highSeasonDaily":{"value":1100,"sourceId":"OP","confidence":"ESTIMATED","observedAt":"2026-06-01","truthState":"KNOWN","notes":"High-season daily band for ~50 m; event weeks are a different market","unit":"EUR"},"notes":"High-season daily band for ~50 m; event weeks are a different market"},{"referenceLoaM":80,"currency":"EUR","highSeasonDaily":{"value":2800,"sourceId":"OR","confidence":"ESTIMATED","observedAt":"2026-06-01","truthState":"KNOWN","notes":"Reported show-adjacent pricing, not a tariff","unit":"EUR"},"notes":"Reported show-adjacent pricing, not a tariff"}],"hours":{"office":"07:30–19:00 in season; reduced winter desk","nightWatch":true},"contacts":[{"id":"mc-vhf","role":"HARBOURMASTER","channel":"VHF","value":"12","lastVerified":"2026-05-01","sourceId":"HM","confidence":"VERIFIED"},{"id":"mc-office","role":"MARINA_OFFICE","channel":"WEB","value":"ports-monaco.com","lastVerified":"2026-05-01","sourceId":"HM","confidence":"VERIFIED"},{"id":"mc-em","role":"EMERGENCY","channel":"PHONE","value":"112 / 18","lastVerified":"2026-01-01","sourceId":"PA","confidence":"AUTHORITATIVE"}],"shoreAccess":[{"id":"nce","kind":"AIRPORT","name":"Nice Côte d'Azur (NCE)","transferMinutes":{"value":[25,50],"sourceId":"OR","confidence":"ESTIMATED","observedAt":"2026-06-01","truthState":"KNOWN","notes":"A8 / Moyenne Corniche; helicopter is often faster in show week.","unit":"min"},"notes":"A8 / Moyenne Corniche; helicopter is often faster in show week.","externalRef":{"system":"IATA","id":"NCE"}},{"id":"heli","kind":"HELIPORT","name":"Monaco Heliport (MCM)","transferMinutes":{"value":[5,12],"sourceId":"OR","confidence":"ESTIMATED","observedAt":"2026-06-01","truthState":"KNOWN","unit":"min"},"externalRef":{"system":"IATA","id":"MCM"}},{"id":"rail","kind":"RAIL","name":"Monaco-Monte-Carlo SNCF","transferMinutes":{"value":[8,15],"sourceId":"OR","confidence":"ESTIMATED","observedAt":"2026-06-01","truthState":"KNOWN","unit":"min"},"externalRef":{"system":"GTFS","id":"stop:monaco-monte-carlo"}},{"id":"walk","kind":"WALK","name":"Casino / Hôtel de Paris","transferMinutes":{"value":[12,20],"sourceId":"OR","confidence":"ESTIMATED","observedAt":"2026-06-01","truthState":"KNOWN","unit":"min"}}],"connections":[{"marinaId":"HI-FR-PORT-VAUBAN-ANTIBES","hours":{"value":1.2,"sourceId":"OR","confidence":"ESTIMATED","observedAt":"2026-06-01","truthState":"KNOWN","unit":"h"}},{"marinaId":"HI-FR-NICE-PORT","hours":{"value":0.6,"sourceId":"OR","confidence":"ESTIMATED","observedAt":"2026-06-01","truthState":"KNOWN","unit":"h"}},{"marinaId":"HI-IT-PORTOFINO","hours":{"value":4.5,"sourceId":"OR","confidence":"ESTIMATED","observedAt":"2026-06-01","truthState":"KNOWN","unit":"h"}}],"congestion":{"peakLabel":"VERY_HIGH in September (Yacht Show) and Grand Prix week","windows":[{"months":[5,9],"typicalOccupancy":{"value":0.98,"sourceId":"DRV","confidence":"ESTIMATED","observedAt":"2026-06-01","truthState":"DERIVED"},"drivers":["Monaco Grand Prix","Monaco Yacht Show","superyacht repositioning"]},{"months":[7,8],"typicalOccupancy":{"value":0.9,"sourceId":"DRV","confidence":"ESTIMATED","observedAt":"2026-06-01","truthState":"DERIVED"},"drivers":["high summer Côte d'Azur traffic"]},{"months":[11,12,1,2],"typicalOccupancy":{"value":0.55,"sourceId":"DRV","confidence":"ESTIMATED","observedAt":"2026-06-01","truthState":"DERIVED"},"drivers":["wintering fleet, yard periods"]}],"forecastNote":"A congestion band here is derived from event calendars + historical occupancy, not a live sensor count. Labelled ESTIMATE."},"reliability":[{"id":"berth-pressure","label":"Berth pressure","band":"VERY_HIGH","why":["Declared megayacht quay count is in the low teens","Show week reallocates the entire north basin"],"method":"Declared capacity vs event demand","estimate":true},{"id":"weather","label":"Weather disruption","band":"MODERATE","why":["Easterly swell closes comfortable outer-berth use","Mistral is more a passage issue than a harbour issue"],"method":"Climatology + captain reports","estimate":true}],"emergency":{"medicalOnSite":false,"nearestTrauma":"CHPG Monaco / Nice university hospitals","medevac":{"value":true,"sourceId":"PA","confidence":"VERIFIED","observedAt":"2026-06-01","truthState":"KNOWN"},"afterHoursClearance":"Possible for medical and state movements."},"accessibility":{"wheelchairPontoons":{"value":true,"sourceId":"OP","confidence":"REPORTED","observedAt":"2026-06-01","truthState":"KNOWN"},"accessibleToilets":true,"assistance":"Harbour office can arrange quay-side assistance; historic town above is steep."},"sustainability":{"pumpOut":true,"noDischargeZone":true,"shorePowerPreferred":true,"noisePolicy":"No unnecessary generators alongside."},"maps":[{"id":"guest","title":"Port Hercule guest harbor plan","mapClass":"GUEST_INFORMATIONAL","license":"Harbor Intelligence derived schematic","status":"DERIVED","safetyNote":"Informational only. Not for navigation, berthing or collision avoidance."},{"id":"captain","title":"Port Hercule captain briefing overlay","mapClass":"CAPTAIN_INFORMATIONAL","license":"Operator + hydrographic compilation","status":"DERIVED","safetyNote":"A derived briefing graphic must never masquerade as an official chart or port approach plate."},{"id":"official","title":"Official navigational document","mapClass":"OFFICIAL_NAVIGATIONAL_DOCUMENT","license":"National hydrographic office — not redistributed here","status":"UNAVAILABLE","safetyNote":"Carry the current official chart, harbour plan and notices. This ledger does not replace them."}],"observations":[{"kind":"OCCUPANCY_RATIO","unit":"ratio","coverage":"CLIMATOLOGY","estimateLabelRequired":true},{"kind":"ARRIVALS_PER_HOUR","unit":"calls/h","coverage":"HISTORICAL","estimateLabelRequired":true},{"kind":"WIND","unit":"kn","coverage":"CLIMATOLOGY","estimateLabelRequired":false},{"kind":"TIDE_HEIGHT","unit":"m","coverage":"CLIMATOLOGY","estimateLabelRequired":false}],"allocation":{"reservationRequired":{"value":true,"sourceId":"HM","confidence":"VERIFIED","observedAt":"2026-06-01","truthState":"KNOWN"},"kindsPresent":["BERTH_RESERVATION","DECLARED_CAPACITY"],"notes":"Berth reservation is not a VTS slot and not a lock booking. Event weeks use a separate allocation channel."},"guestAmenities":["yacht club","one-minute walk to Condamine market","hotel density","casino quarter","crew gyms nearby"],"captainNotes":["Call on VHF 12 well before the entrance. The entrance sets in easterlies.","Do not assume a published max LOA is an available berth.","Show and Grand Prix weeks are a different operational regime."],"conflicts":[{"id":"loa-conflict","topic":"Maximum LOA","detail":"Operator materials and captain reports disagree on whether 140 m is a hard limit or a typical planning envelope. Treat as REPORTED and confirm the specific quay."}]}}