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Isles of Scilly

Cold-water wrecks, jewel-anemone walls and grey seals beyond Land's End

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Destination Guide Sources For Isles of Scilly

Reference links used to build and maintain this guide.

40 sources • Updated Sep 4, 2026

Written by DiveJourney. Built from public sources and local operator knowledge. Last updated Sep 4, 2026.

Visit Isles of Scilly - How to Get Here - Official tourism information on Skybus, helicopter and Scillonian III access, onward connections and weather sensitivity.
Visit Isles of Scilly - By Sea - Official ferry overview, operating season, crossing time and low-tide schedule caveats.
Visit Isles of Scilly - Getting Around - Official guidance on inter-island tripper boats, walking, cycling, buses, taxis and weather-dependent schedules.
Visit Isles of Scilly - Weather - Official seasonal overview for air temperature, rainfall, winds, visitor levels and transport disruption.

Research Sources

Destination Guide Sources For Isles of Scilly

Reference links used to build and maintain this guide.

40 sources • Updated Sep 4, 2026

Written by DiveJourney. Built from public sources and local operator knowledge. Last updated Sep 4, 2026.

Visit Isles of Scilly - How to Get Here - Official tourism information on Skybus, helicopter and Scillonian III access, onward connections and weather sensitivity.
Visit Isles of Scilly - By Sea - Official ferry overview, operating season, crossing time and low-tide schedule caveats.
Visit Isles of Scilly - Getting Around - Official guidance on inter-island tripper boats, walking, cycling, buses, taxis and weather-dependent schedules.
Visit Isles of Scilly - Weather - Official seasonal overview for air temperature, rainfall, winds, visitor levels and transport disruption.

- Official 1991-2020 climate averages supporting the relatively drier, milder and less windy late-spring and summer planning window.

Visit Isles of Scilly - Beaches - Official descriptions of beaches on St Mary's, St Martin's, Tresco, Bryher and St Agnes, including sheltered-water and tide considerations.

Visit Isles of Scilly - Water Sports - Official overview of kayaking, sailing, paddleboarding, coasteering, guided sea swimming, snorkeling and wreck diving.

Visit Isles of Scilly - Wildlife and Nature - Official overview of the protected landscape, seals, seabirds, dark skies and wildlife excursions.

Visit Isles of Scilly - St Martin's - Official island guide covering beaches, seal-snorkel access, the observatory, vineyard and flower farm.

Visit Isles of Scilly - St Agnes and Gugh - Official island guide covering the low-tide Bar to Gugh, coast paths, lighthouse and local character.

Visit Isles of Scilly - Uninhabited Islands - Official overview of Samson, Tean, St Helen's, Annet, the Western Rocks and wildlife-led island trips.

Visit Isles of Scilly - Gardens - Official information on Tresco Abbey Garden and its Valhalla shipwreck figurehead collection.

IOS Dive Charters - Local operator information on Morvoren, group size, qualified and experienced diver requirements, five-day packages, wrecks, reefs, drop-offs and gullies.

Divernet - Diving the Isles of Scilly - Specialist destination report with depth profiles and underwater character for Lady Charlotte, Italia, King Cadwallon, MV Cita, Dave's Crack and Menawethan Rocks.

Historic England - HMS Colossus Dive Trail Revitalised - Official 2026 notice confirming HMS Colossus is a Protected Wreck Site open only to licensed divers and describing the two-route underwater trail.

CISMAS - HMS Colossus Dive Trail - Trail guidance for route markers, fragile archaeology, sharp copper fastenings and no-touch behavior.

Nautical Archaeology Society - HMS Colossus Dive Trail - Heritage-diving guidance on visitor licensing and responsible access to the protected wreck.

Seal Snorkelling Adventures - Local operator details for St Martin's to Eastern Isles trips, April to September operation, included equipment, open-water requirements, minimum age and weather cancellations.

Isles of Scilly Wildlife Trust - How to Watch Seals - Local conservation guidance on year-round seals, late-summer to winter breeding, safe distance and avoiding touch, chase, follow or feeding behavior.

Isles of Scilly Wildlife Trust - Grey Seals in Scilly - Local research summary on the importance of Scilly for southwest England's grey seal pups and the onset of pupping in late August.

Isles of Scilly Wildlife Trust - How to Spot Seabirds - Local conservation guidance on April to July wildlife safaris, July and August pelagics, seabird colonies and low-disturbance viewing.

Isles of Scilly Wildlife Trust - Explore - Local access guidance noting that wildlife islands and islets can have seasonal or year-round landing restrictions.

Isles of Scilly IFCA - Protected Areas - Official description of the archipelago's marine protected areas, reef habitats, grey seals and fisheries-management role.

GOV.UK - Isles of Scilly Marine Conservation Zones - Official designation material for the group of Marine Conservation Zones around the islands.

Isles of Scilly Travel - Skybus Routes - Current carrier information listing Land's End, Newquay and Exeter routes to St Mary's as year-round, with travelers directed to the live timetable for operating days.

Isles of Scilly Travel - Skybus Luggage - Current carrier baggage rules relevant to transporting dive equipment on small aircraft.

Isles of Scilly Travel - Ferry Luggage - Current Scillonian III baggage rules relevant to heavy or bulky watersports equipment.

Penzance Helicopters - Flying With Us - Operator information on year-round helicopter links from Penzance to St Mary's and Tresco.

Council of the Isles of Scilly - St Mary's Airport - Official airport information for the islands' principal fixed-wing gateway.

GOV.UK - Check if You Need a UK Visa - Official nationality and purpose checker for international visitors entering the United Kingdom.

GOV.UK - Electronic Travel Authorisation - Official current ETA eligibility, exemption and application guidance for travel to the United Kingdom.

GOV.UK - Entering the UK - Official passport and border preparation guidance for international arrivals.

Cornwall Partnership NHS Foundation Trust - Isles of Scilly Hospital - Official description and contact details for the hospital and minor-injury services on St Mary's.

NHS Cornwall and Isles of Scilly - Visitor Health Information - Official visitor guidance explaining that core medical services are based on St Mary's and off-island access may require boat transfer.

DDRC Healthcare - Diving Emergency - Specialist UK diving-emergency procedure, first-aid guidance, Coastguard route and National Diving Accident Helpline.

VisitBritain - Useful Information - National visitor guidance on pound sterling, payments, cash access, electricity and common practicalities.

Post Office - St Mary's Branch - Current branch listing supporting cash-withdrawal planning on St Mary's.

Isles of Scilly Holidays - Mobile Phone Reception - Local practical guidance noting that mobile reception varies around the islands.

Visit Isles of Scilly - World Pilot Gig Championships - Official event listing supporting the annual late-April or early-May crowd and transport planning callout.

Destination hero photo by Travis Leery - Photographer profile: https://unsplash.com/@jersey_photos