Dominica to Costa Rica: Complete Plug & Adapter Guide (2026) Adapter Needed

Planning a trip from Dominica to Costa Rica? One of the first things to sort out before you travel is whether your electronics will work at your destination. Power outlets, plug shapes, and voltage standards vary around the world, and Costa Rica is no exception.

There's no plug compatibility between Dominica and Costa Rica. Dominica devices use Type D/G connectors, while Costa Rica sockets are Type A/B. An adapter is a must-have for this destination.

Be aware that Dominica runs on 230V at 50Hz, while Costa Rica uses 120V at 60Hz. This voltage difference matters for appliances like hair dryers, curling irons, and electric shavers that aren't dual-voltage. Check the label on your devices. If it says "100-240V," you're fine. Otherwise, you'll need a voltage converter.

Most modern phone chargers, laptop adapters, and camera chargers are designed to handle 100-240V input, so they'll work anywhere with just a plug adapter. Heat-producing appliances like hair dryers and flat irons are often single-voltage, so check before you plug them in abroad.