Connectivity & Internet in Kotor

Good to Know

• Fiber optic is the most reliable home option where available; seek it out when renting or booking longer stays.
• All three major carriers use the same physical towers—coverage quality is essentially identical; choice of e-SIM or SIM provider depends on cost, not network.
• Montenegro is outside EU roaming regulations; EU/UK home SIM roaming charges are €5–€18/day, making local SIM or e-SIM strongly recommended.
• Public WiFi is common and free but unencrypted; always use a VPN (NordVPN, Mullvad) for banking, email, and sensitive logins on open networks.
• Stone buildings in Kotor Old Town can weaken WiFi and mobile signals indoors; confirm accommodation WiFi speed before booking extended stays.
• Prepaid local SIM cards (€5 entry) are easiest to buy at kiosks in the city or at Tivat Airport; no passport registration required.
• e-SIM activation is instant if purchased before arrival; rates start around €6–€9 for 1–3 GB plans, suitable for short trips or backup data.
• Mobile hotspot tethering is supported on all carrier/eSIM plans and works reliably along the coast; light remote workers typically need 10–20 GB as backup data.
• Mountain areas (Durmitor, Lovćen, Prokletije) have patchy or no coverage; if hiking or working from remote locations, download offline maps and confirm coverage with your provider.
• Kotor bay ferry crossings may have brief signal drops; coastal highways generally maintain strong 4G/5G.