Can a Grenada citizen travel to Saint Lucia?

No visa required for entry to Saint Lucia. Stays of up to Freedom of movement for OECS states; ID card valid are permitted under the visa-waiver agreement.

If you qualify as a CARICOM Skilled National under one of the 15 approved categories, you can enter for an initial 6-month period with the right to work, with the stay becoming indefinite once immigration verifies your Certificate of Recognition of Caribbean Community Skills Qualification. The 15 categories are: University Graduates, Artistes, Musicians, Media Workers, Sportspersons, Nurses, Teachers, Artisans (CVQ Level II+), Holders of Associate Degrees, Domestic Workers, Agricultural Workers, Beauty Service Practitioners, Barbers, Private Security Officers, Aviation Personnel. If you hold a Skills Certificate, carry it (and any supporting qualification documents). Apply for the certificate in advance through the relevant ministry in your destination state if you don't have one yet.

Your GD CARICOM citizenship gives you up to 6 months of visitor entry to other CARICOM Member States without a visa. Bring a return/onward ticket (most non-BBC4 destinations require it) and a passport valid for the duration of your stay. To stay longer or work, see the Skilled National option above.

You're travelling to Saint Lucia (LC). Your home cellular plan may or may not include data abroad — check your carrier's international options before you fly. An eSIM is a low-commitment alternative if your plan doesn't cover the destination or charges high roaming rates.

Saint Lucia (LC) requires every traveller to submit the St Lucia Arrival Form for entry — best done a few days before departure rather than in the airport queue. Without it, expect to be pulled aside at the border or denied boarding. Apply at: https://www.stlucia.org/en/entry-requirements/

Your GD citizenship gives you free movement to this destination — no visa and no return-ticket requirement. (Entry can still be refused on security or public-order grounds — the residual limit every free-movement regime keeps.) Bring your passport (some OECS borders also accept a national ID), and at the immigration counter ask for the OECS / freedom-of-movement line if there is one.