Official Chart Coverage for Mobile Navigation Apps

We provide official S-57 nautical chart coverage across 45 countries, licensed from national Hydrographic Offices and optimized for iOS navigation apps on iPhone and iPad.

Coverage Overview

Official S-57 charts delivered via SiiTech Marine ENC Hosting Service with weekly updates.

World map coverage overview

45 Countries Covered

National chart coverage licensed from Hydrographic Offices.

Official S-57 Data

Professional-grade ENC data suitable for mobile navigation applications.

Mobile-Optimized Delivery

Designed for integration via the Siitech Marine iOS Chart SDK.

Simple Annual Licensing

Per-country, per-year subscriptions that scale with your app.

Current Chart Coverage (45 Countries)

Americas

  • Argentina
  • Brazil
  • Canada
  • Chile
  • Colombia
  • Cuba
  • Mexico
  • Panama
  • Peru
  • San Andres and Providencia
  • Suriname
  • Uruguay
  • United States
  • Venezuela

Europe

  • Belgium
  • Croatia
  • Denmark
  • Faroe Islands
  • France
  • Germany
  • Greece
  • Iceland
  • Italy
  • Malta
  • Netherlands
  • Norway
  • Portugal
  • Romania
  • Slovenia
  • Spain
  • Sweden
  • Türkiye
  • United Kingdom

Oceania

  • Australia
  • Cook Islands
  • New Zealand
  • Niue
  • Samoa
  • Tokelau
  • Tonga

Asia & Africa

  • Egypt
  • Indonesia
  • Malaysia
  • South Africa