You do not need a visa for British Indian Ocean Territory if you have a Guernsey passport

No visa needed

Guernsey citizens can enter British Indian Ocean Territory without applying for a visa in advance. Check your passport validity and any onward-travel requirements before you fly.

Travelling to British Indian Ocean Territory

Visa-free

Frequently asked questions

Do Guernsey citizens need a visa for British Indian Ocean Territory?

No. Guernsey citizens can enter British Indian Ocean Territory without applying for a visa in advance.

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What British Indian Ocean Territory may ask for

Not every traveller is asked for all of these. A valid passport is checked every time; the rest is a spot check at the border, and some items belong to a visa application rather than the crossing itself.

Passport valid 6+ months with 4 blank pages
Detailed purpose of visit documentation
Complete vessel/transport arrangements
Comprehensive medical and evacuation insurance
Environmental bond payment required
Self-sufficient supplies for entire visit

A look at British Indian Ocean Territory

Diego Garcia Atoll — The primary military installation in the British Indian Ocean Territory
Outer Islands — Limited yacht anchorage permitted in designated areas only
Chagos Marine Protected Area — Among the world's most pristine coral ecosystems
Outer Chagos Islands — Remote and uninhabited atolls with untouched beaches