What is the name of sea port in London?

Aberdeen

Ardrossan

Avonmouth

Ayr

Barrow-in-Furness

Belfast

Blyth

Boston

Bournemouth (Hurn)

Bristol

Cardiff

Coleraine

Cowes

Douglas

Dover

Dundee

Edinburgh

Ellesmere Port

Exeter

Falmouth

Felixstowe

Fishguard

Fleetwood

Folkestone

Fowey

Fraserburgh

Glasgow

Goole

Grangemouth

Great Yarmouth

Greenock

Grimsby

Guernsey

Hartlepool

Harwich

Heysham

Holyhead

Hull

Immingham

Inverness

Ipswich

Irvine

Jersey

Kings Lynn

Kirkcaldy

Kirkwall

Land Boundary

Leith

Lerwick

Liverpool

Llanddulas

London

Lowestoft

Medway

Middlesbrough

Milford

Montrose

Mostyn

Newcastle

Newhaven

Newport

Northwich

Par

Penzance

Peterhead

Plymouth

Poole

Port Talbot

Portsmouth

Prestwick

Ramsgate

Ronaldsway (IOM)

Runcorn

Scarborough

Sharpness

Shoreham

Silloth

Southampton

Southend

Stornoway

Sunderland

Swansea

Teesside

Teignmouth

Thamesport

Trent

Tyne

Warrenpoint

Watchet

Weymouth

Whitby

Whitehaven

Whitstable

Wisbech

Workington