Connectivity & Internet in Dublin

Good to Know

• Dublin has some of the most expensive broadband in the EU but excellent coverage—Virgin Media and Eir FTTH are the fastest options; all major providers bundle landline at no extra cost.
• Prices advertised are 12-month intro rates that typically double afterward (€35→€70 for 500Mbps). Set a reminder for month 11 to renegotiate or switch to avoid the price jump.
• Prepaid mobile SIMs from Three, Vodafone, or Eir cost €20–€30 per 28-day cycle and include 4G/5G; all major plans have free EU roaming under 'Roam Like at Home' rules (capped at 17–37GB before throttling).
• e-SIMs are the fastest entry option for nomads—Saily (NordVPN-backed) and Jetpac offer the best value; order online before arrival, activate on landing via QR code.
• All mobile SIMs must be registered with your name, address, and passport copy (Irish law)—use a local carrier store or bring ID to any shop; official carriers at airports are safe.
• For rural roaming outside Dublin, Vodafone has the strongest coverage; Three excels in urban 5G speeds; Eir offers solid mid-tier reliability.
• EU roaming is free but watch fair-use caps (usually 17–37GB); Vodafone allows full domestic allowance roaming across EU; others throttle after their cap.
• Registration is mandatory for all SIMs (prepay or not). You'll need to provide your passport and address; this protects against fraud and SIM swapping.
• If staying long-term, Three and Vodafone offer competitive SIM-only bill-pay plans (rolling or 12-month)—avoid Vodafone's expensive non-bundled rates and look for bundle discounts with home broadband.
• Speed expectations: 500Mbps broadband handles 5+ simultaneous 4K streams; gigabit is overkill unless multiple people work from home. For mobile, 4G (30–80Mbps) is sufficient for most nomad tasks; 5G (200–500Mbps) is nice-to-have in urban areas.