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Data.

This dataset was collected by Citizen Scientists at an official 'Survey Area' as part of the Litter Intelligence long-term litter monitoring programme. The data are freely and openly accessible to anyone. Download the raw data, share this survey, and learn more about the data collection methodology through the links at the bottom of the page.

Litter Survey

beach-icon Beach.

Marlborough Sounds - Long Island South

13 March 2026

Envirohub Marlborough

Sarah Huntley

Overview

A

8

7.1

2.9

100m x 11m

Cobbles

Items per 1,000m2

118

Products

130

4840

Type Count Weight (g)
Plastic 79 450
Resin pellets A N/A
Bottle caps & lids 12 30
Unidentifiable soft plastic fragments 12 37
Food containers 4 15
Fishing gear 2 44
Clothes pegs 5 11
Rope 11 28
Gardening & farming related 4 188
Plastic bags 2 8
Bottle neck rings 3 4
Unidentifiable hard plastic fragments 13 72
Cosmetics and medical packaging 1 1
Lollipop sticks 2 1
Fishing line 1 3
Safety & construction related 3 1
Bottle seals & tabs 2 1
Cable ties & zip ties 1 1
Bottles, drums, jerrycans & buckets > 2 L 1 5
Wood 15 3761
Processed timber & pallet crates 15 3761
Glass & Ceramic 14 164
Glass or ceramic fragments 13 147
Bottles & jars 1 17
Foamed Plastic 7 97
Polystyrene insulation or packaging 5 94
Unidentifiable foamed plastic fragments 2 3
Fabric & Textiles 5 58
Rope, line or string (natural) 3 52
Other cloth 1 1
Unidentifiable cloth fragments 1 5
Paper & Cardboard 5 92
Cardboard boxes 5 92
Metal 3 98
Aluminium drink cans 2 3
Metal vehicle parts 1 95
Rubber 2 120
Rubber footwear 1 113
Unidentifiable rubber fragments 1 7

Materials

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  • If you would like to learn how this data was collected. Our Methodology

Previous survey in this area

Marlborough Sounds - Long Island South Envirohub Marlborough
19 Sep, 2025
Items per 1,000m2
217
55%