| Address | Av. Longitudinal 5500Puerto Angamos, 2 pisoMejillonesChile |
| Phone | 56 - 55 357060 |
| Fax | - |
| - | |
| Coordinates | -23°-6'-13" S, -70°-26'-19" W |
| Decimal | -23.1037859,-70.4388462 |
| UN/LOCODE | CLMJS |
| Port Type | Pier, Jetty or Wharf |
| Port Size | Very Small |
| Website | http://www.mejillones.com |
| Terminal | Unavailable |
| Region | West Coast Of South America |
| Inland port | Unavailable |
| Mean tide | 1 foot m |
| Tide | Unavailable |
| Overhead Limit | Unavailable |
| Swell | Unavailable |
| Channel | 66 - 75 feet 20.1 - 21.3 meters |
| Cargo Pier | 66 - 75 feet 20.1 - 21.3 meters |
| Mean Tide | 1 foot |
| Anchorage | 66 - 75 feet 20.1 - 21.3 meters |
| Harbor Size | Very Small |
| Shelter | Excellent |
| Max Vessel Size | Over 500 feet in length |
| Harbor Type | Coastal Natural |
| Compulsory | Available |
| Available | Available |
| Advisable | Available |
| Local Assist | Unavailable |
| Provisions | Unavailable |
| Fuel Oil | Unavailable |
| Deck | Unavailable |
| Water | Unavailable |
| Diesel Oil | Unavailable |
| Engine | Unavailable |
| 0-24 Ton Lifts | Unavailable |
| 25-49 Ton Lifts | Available |
| 50-100 Ton Lifts | Unavailable |
| 100+ Ton Lifts | Unavailable |
| Fixed Cranes | Available |
| Mobile Cranes | Unavailable |
| Floating Cranes | Unavailable |
| Wharves | Unavailable |
| Med Moor | Unavailable |
| Ice | Unavailable |
| Anchor | Available |
| Beach | Unavailable |
| Assist | Unavailable |
| Salvage | Unavailable |
| Pratique | Available |
| Deratt Cert | Unavailable |
| Longshore | Unavailable |
| Electrical Repair | Unavailable |
| Steam | Unavailable |
| Electrical | Unavailable |
| Navigation Eq | Unavailable |
| Ship Repairs | None |
| Marine Railroad | Small |
| Degauss | - |
| Garbage Disposal | Unavailable |
| Dirty Ballast | Unavailable |
| Telephone | Available |
| Radio | Available |
| Air | Available |
| Telegraph | Available |
| Radio Tel | Unavailable |
| Rail | Available |