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  • sssi-locations
  1. Scilly's Nature
  2. Designations
  3. SSSI's

SSSI Locations

Sites of Special Scientific Interest (SSSI's) are sites which have statutory protection as they are the best examples of the UK's flora, fauna or geological or physiographical features. Scilly boasts 26 SSSI's and 24 of these are looked after by the Isles of Scilly Wildlife Trust!

442 hectares of land within the Isles of Scilly Wildlife Trust lease is designated as SSSI; that's over 50% of the land we are custodians of!

Of the 24 SSSI's 4 are designated for their geological interest and are not actively managed; these are Porth Seal (St Martin's), Porthloo (St Mary's), St Martin's sedimentary shore & Watermill Cove (St Mary's). 

The remaining 20 sites total 406 hectares and are notified for features such as breeding seabirds, Atlantic Grey Seal and rare flowering plants.

The protection of SSSI's is overseen by the Government department Natural England.  Details about the status of the SSSI's in Scilly can be found here

Annet

Annet

Our seabird sanctuary Read more

Published: 16th January, 2019

Updated: 18th January, 2019

Author: Sarah Mason

Big Pool & Browarth, St Agnes

Big Pool & Browarth, St Agnes

St Agnes Read more

Published: 16th January, 2019

Updated: 18th January, 2019

Author: Sarah Mason

Chapel Down

Chapel Down

St Martin's Read more

Published: 16th January, 2019

Updated: 18th January, 2019

Author: Sarah Mason

Eastern Isles

Eastern Isles

A group of uninhabited islands between St Mary's & St Martin's Read more

Published: 16th January, 2019

Updated: 18th January, 2019

Author: Sarah Mason

Gugh

Gugh

Sparsely populated island next to St Agnes Read more

Published: 16th January, 2019

Updated: 18th January, 2019

Author: Sarah Mason

Higher Moors & Porth Hellick Pool

Higher Moors & Porth Hellick Pool

St Mary's Read more

Published: 16th January, 2019

Updated: 10th July, 2019

Author: Sarah Mason

Lower Moors

Lower Moors

St Mary's Read more

Published: 16th January, 2019

Updated: 6th February, 2019

Author: Sarah Mason

Norrad Rocks

Norrad Rocks

Uninhabited Islands close to Bryher Read more

Published: 16th January, 2019

Updated: 18th January, 2019

Author: Sarah Mason

Peninnis Head

Peninnis Head

St Mary's Read more

Published: 16th January, 2019

Updated: 13th March, 2019

Author: Nikki Banfield

Pentle Bay, Merrick and Round Islands

Pentle Bay, Merrick and Round Islands

Offshore islands Read more

Published: 16th January, 2019

Updated: 18th January, 2019

Author: Sarah Mason

Plains and Great Bay

Plains and Great Bay

St Martin's Read more

Published: 16th January, 2019

Updated: 18th January, 2019

Author: Sarah Mason

Pool of Bryher & Popplestone Bank

Pool of Bryher & Popplestone Bank

Bryher Read more

Published: 16th January, 2019

Updated: 18th January, 2019

Author: Sarah Mason

Rushy Bay & Heathy Hill

Rushy Bay & Heathy Hill

Bryher Read more

Published: 16th January, 2019

Updated: 18th January, 2019

Author: Sarah Mason

Samson

Samson

Uninhabited island between St Agnes and Bryher Read more

Published: 16th January, 2019

Updated: 18th January, 2019

Author: Sarah Mason

Shipman Head & Shipman Head Down

Shipman Head & Shipman Head Down

Bryher Read more

Published: 17th January, 2019

Updated: 29th April, 2021

Author: Sarah Mason

St Helens

St Helens

Uninhabited Island Between Tresco & St Martin's Read more

Published: 17th January, 2019

Updated: 22nd February, 2022

Author: Sarah Mason

Tean

Tean

Uninhabited Island between Tresco & St Martin's Read more

Published: 17th January, 2019

Updated: 29th May, 2021

Author: Sarah Mason

Western Rocks

Western Rocks

Uninhabited islets and rocks close to the Bishop Rock lighthouse Read more

Published: 16th January, 2019

Updated: 18th January, 2019

Author: Sarah Mason

White Island

White Island

Uninhabited island off St Martin's Read more

Published: 16th January, 2019

Updated: 18th January, 2019

Author: Sarah Mason

Wingletang Down

Wingletang Down

St Agnes Read more

Published: 16th January, 2019

Updated: 18th January, 2019

Author: Sarah Mason

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Showing 10 of 20

Latest

  • Saving water on Scilly - FAQs and how to help

    Saving water on Scilly - FAQs and how to help

    With the prolonged period of dry and hot weather, water supplies across Scilly are running low. This is impacting local farmers, water supplies for community consumption and, of course, our precious wildlife. Here are some dos and don'ts with how to help...

  • Thunderstorm brings flood of relief to the Isles of Scilly

    Thunderstorm brings flood of relief to the Isles of Scilly

    There was a moment of relief this morning across the Isles of Scilly as the sky turned black and we experienced our first downpour for weeks, topping up our freshwater pools and reservoirs, watering our farmland and revitalising our heathlands

  • Violet sea snails scattered on Scilly beaches

    Violet sea snails scattered on Scilly beaches

    Like so many of the weirdly wonderful creatures that wash up on our shores, violet sea snails are both mesmerizingly beautiful and completely alien to us. Over 60 have been found so far, with sightings now flooding in across the west coast of the UK.

  • Big Scilly Bat Survey

    Big Scilly Bat Survey

    We are working with partners, land managers and the local community to unlock the secret life of bats on Scilly, understanding what species we have on our islands and how we can help them to thrive.

Most read

  • Walrus in the Isles of Scilly

    Walrus in the Isles of Scilly

    Answering your questions about the Isles of Scilly’s most unusual visitor – a Walrus – provided by BDMLR, Isles of Scilly Wildlife Trust, Cornwall Seal Group and the St Mary’s Harbour Team.

  • Tean

    Tean

    Uninhabited Island between Tresco & St Martin's

  • Puffin

    Puffin

    Fratercula arctica

  • Plants, Pittosporum and Our Planet

    Plants, Pittosporum and Our Planet

    Plants are good for the planet...right? They sequester carbon, produce oxygen and provide habitat for our wonderful wildlife. So why is the removal of certain species warranted and even necessary?

  • Orange birds-foot

    Orange birds-foot

    Ornithopus pinnatus

  • Isles of Scilly Wildlife Trust' CEO Sarah Mason leaving Scilly

    Isles of Scilly Wildlife Trust' CEO Sarah Mason leaving Scilly

    Current Isles of Scilly Wildlife Trust Chief Executive, Sarah Mason, is leaving Scilly after 8 years of leadership and 23 years within the Wildlife Trust family to take up a new Chief Executive role in the North of England.

  • Awkward Auks & when to see them…

    Awkward Auks & when to see them…

    April heralds the return of our regionally, nationally and internationally important breeding seabirds, including our loveable "awkward Auks".

  • Datasets & Drones: Scilly's Seabirds ~ A Round-Up of 2021: Part One

    Datasets & Drones: Scilly's Seabirds ~ A Round-Up of 2021: Part One

    We entered our 2021 annual Seabird survey season with a spring in our step, after the disappointments of 2020 whereby the main survey windows were missed as a result of Covid-19. Annet surveys were back on the table and our full monitoring went ahead as planned; with interesting findings once again!

  • Winning for Scilly Wildlife

    Winning for Scilly Wildlife

    Join our new Lottery, Winning for Scilly Wildlife, to help us look after Scilly's wildlife & natural beauty, and be in with the chance of winning £25,000!

  • Grey seal

    Grey seal

    Halichoerus grypus

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Isles of Scilly Wildlife Trust
Trenoweth
St Mary's
Isles of Scilly
TR21 0NS

01720 422153
[email protected]

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Isles of Scilly Wildlife Trust Limited. Reg. Charity No.1097807 Reg. Company No. 04726698