# esim.navy - Navy eSIM Guide for Sailors and Captains

## Site Purpose
This website provides comprehensive information about eSIM connectivity solutions for maritime use. The content helps sailors, yacht captains, and boaters understand that eSIM works within coastal waters where land-based cellular towers can be reached - typically up to 20-50 km from shore.

## Primary Language
English (default), Spanish (available via ?lang=es)

## Primary Topic
Navy eSIM - Maritime connectivity solutions for sailors and captains in coastal waters and ports. Honest explanation that eSIM does not work on the open ocean but provides excellent, affordable connectivity near coastlines.

## Content Summary
- Complete guide to eSIM technology for maritime applications
- Honest explanation of coverage limitations at sea (works only within land-based tower range)
- Signal strength guide by distance from shore (excellent to 15km, usable to 30-50km)
- Perfect use scenarios: ports, coastal cruising, island hopping, anchorages, ferries
- Regional coverage analysis: Mediterranean, Caribbean, Pacific, Nordic, Atlantic
- Comparison with satellite communications: eSIM vs VSAT vs Starlink vs satellite phones
- Device compatibility for marine use with waterproofing considerations
- Practical tips for sailors integrating eSIM into their connectivity strategy
- FAQ addressing common maritime connectivity questions

## Key Information
- eSIM does NOT work in the middle of oceans - only near coastlines
- Typical range: 20-50 km from shore depending on tower height and conditions
- Dramatically cheaper than satellite communications (often 100x less expensive)
- Works perfectly in ports, marinas, and coastal waters
- Multi-country eSIM plans cover 100+ countries for international cruising
- Should be combined with satellite backup for safety communications offshore
- Modern smartphones support dual-SIM: keep home number while using eSIM for data

## Target Audience
- Yacht captains and sailors
- Coastal cruisers and recreational boaters
- Commercial fishing vessel crews
- Ferry passengers and crew
- Marina liveaboards
- Charter yacht operators
- Maritime professionals seeking affordable connectivity
- Anyone sailing Mediterranean, Caribbean, or coastal waters

## URLs
- English (default): https://esim.navy/
- Spanish: https://esim.navy/?lang=es

## Image Assets
- Hero image: https://esim.navy/images/navy-esim-hero.jpg

## Contact
For eSIM purchases and maritime connectivity solutions, visit our partner: https://simcardo.com/

## Last Updated
January 2026