Round Island, Isles of Scilly

Island Uninhabited islet in the Isles of Scilly

A tiny islet in the Isles of Scilly reached by local boat trips; Round Island draws visitors for seabird colonies, coastal walks and the short boat crossing from larger islands.

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Round Island is a small uninhabited islet in the Isles of Scilly off the southwestern coast of England. The island is one of the many granite outcrops that make up the archipelago.

The islet supports maritime vegetation and provides habitat for seabirds and marine life characteristic of the Scilly islands. There are no buildings or services on the island and visits are generally short landings from small boats.

Round Island lies within the Isles of Scilly archipelago in the Atlantic, off the tip of Cornwall. It is part of the Scilly group of islands which are administratively in England and reached by boat or seasonal ferry services from the mainland.

  • Access: accessible only by private boat or organized excursion; there are no visitor facilities on the islet.
Round Island, Isles of Scilly
49.9787, -6.3229

How to Get to Round Island, Isles of Scilly #

Access only by private boat or charter from St Mary’s or other Scilly islands. Landings are dependent on calm seas and suitable tide conditions.

Tips for Visiting Round Island, Isles of Scilly #

  • Tide schedules are crucial-approaches between isles can expose strong currents and rocky shoals.
  • The island is uninhabited; overnight stays are not recommended without proper clearance and equipment.
  • Bring a good sea chart of the Isles of Scilly and aim for calm seas; landings are often by dinghy to rocky shore.

Best Time to Visit Round Island, Isles of Scilly #

Best visited in summer when local boat services operate and sea conditions are friendlier.

Late spring to early autumn
May-September · 12-20°C
Calmer seas and milder weather for boat access and seabird observation.

Weather & Climate near Round Island, Isles of Scilly #

Climate
Temperature & Rainfall
Temperature Range
21°
Warmest Month
Coldest Month
Monthly Conditions

January

Weather

0.1
UV Index
Low
8.5h daylight

February

Weather

0.2
UV Index
Low
9.9h daylight

March

Weather

0.5
UV Index
Low
11.7h daylight

April

Weather

0.9
UV Index
Moderate
13.6h daylight

May

Weather

1.3
UV Index
High
15.2h daylight

June

Weather

1.6
UV Index
Very High
16.0h daylight

July

Weather

1.5
UV Index
Very High
15.6h daylight

August

Weather

1.3
UV Index
High
14.2h daylight

September

Weather

0.8
UV Index
Moderate
12.4h daylight

October

Weather

0.4
UV Index
Low
10.6h daylight

November

Weather

0.1
UV Index
Low
8.9h daylight

December

Weather

0.1
UV Index
Low
8.0h daylight

Nearby Attractions to Round Island, Isles of Scilly