Close-up of sand dunes in Erg Chebbi sand sea, Sahara Desert, near Merzouga, Morocco, North Africa, Africa

Gulf Coast beach, Anna Maria Island, north of Longboat Key, Florida, USA

Clearwater Beach, Florida, USA

Ocean Drive, South Beach, Miami Beach, Florida, USA

Ocean Drive, South Beach, Miami Beach, Florida, USA

Sandy dunes and Peninsula de Gandia in the background, View of the Coastline near Tiscamanita, Fuerteventura, Canary Islands, Spain

Sandy dunes, Maspalomes, Gran Canaria, Canary Islands, Spain

Black sea resort, Sozopol Beach, Bulgaria

Olu Deniz, Town Beach, Turkey, Eurasia

Long Island, north-east coast, Antigua, Caribbean

Puerto Vallarta. Mexico, Central America

Grand Anse Beach, Grenada, Caribbean, West Indies

Boat moored near beach, Caribbean Sea, West Indies

Pigeon Point, Tobago, Caribbean, West Indies

Half Moon Bay, Antigua, Caribbean, West Indies

Seven Mile Beach, Grand Cayman, Cayman Islands, Caribbean, West Indies

Boracay, Philippines, Asia

West Bay at the western tip of Roatan, largest of the Bay Islands, Honduras, Caribbean, West Indies

Sandy dunes near Lagoa Bonita (Beautiful Lagoon), Parque Nacional dos Lencois Maranhenses, Brazil, South America

Palm trees, white sandy beach and Indian Ocean, Jambiani, island of Zanzibar, Tanzania, East Africa, Africa

Palm tree, white sandy beach and Indian Ocean, Jambiani, island of Zanzibar, Tanzania, East Africa, Africa

Great Sandy National Park, Fraser Island, UNESCO World Heritage Site, Queensland, Australia, Pacific

Underwater view of a coral encrusted lobster pot on sandy ocean floor, Ras Mohammed National Park, Red Sea, Egypt, North Africa, Africa

Spotted eagle ray (Aetobatis narinari) juvenile over sandy ocean floor, from above, Naama Bay, Sharm El Sheikh, Red Sea, Egypt, North Africa, Africa

Sandy beach in front of the entrance to the New wonder of the world, the Puerto Princesa underground river, UNESCO World Heritage Site, Palawan, Philippines, Southeast Asia, Asia

Sandy beach in front of the entrance to the New wonder of the world and UNESCO World Heritage Site, the Puerto Princesa underground river, Palawan, Philippines, Southeast Asia, Asia

Palm trees and tropical beach, Maldives, Indian Ocean, Asia

Outrigger fishing canoes on tropical beach at Pasikudah Bay, Eastern Province, Sri Lanka, Asia

Pandanus palm trees growing on sandy beach, Nilavelli Trincomalee, Sri Lanka, Asia

Wreckage of a United States Navy Douglas Super DC-3 that crashed on the black beach at Solheimasandur, South Region, Iceland, Polar Regions

Couple walking on sandy beach, Maldives, Indian Ocean, Asia

A meerkat sitting on its hind legs on a sandy ground with a rocky background.

The plains and lakes of Otago region framed by cloud capped mountains, Otago, South Island, New Zealand, Pacific

Holidaymakers sunbathing under beach umbrellas on the sandy beach at Praia do Tunel, Albufeira Beach, Algarve, Portugal, Europe

A Pacific green turtle, on the beach, Galapagos Islands, UNESCO World Heritage Site, Ecuador, South America

Water gliding, Sotovento beach, Jandia Peninsula, Fuerteventura, Canary Islands, Spain, Alantic, Europe

Sandy beach, El Cotillo, Fuerteventura, Canary Islands, Spain, Atlantic, Europe

Stingray (Dasyatis spp,) on the shallow sandy bottom at Bartolome Island, Galapagos Islands, Ecuador, South America

Rockpool on the sandy beach at Crackington Haven, Cornwall, England, United Kingdom, Europe

Wooden lighthouse on the sandy beach at Burnham-on-Sea, Somerset, England, United Kingdom, Europe

Camel driver and sand dunes, Sahara Desert, Merzouga, Morocco, North Africa, Africa

Sandy beach at Conil de la Frontera, Cadiz Province, Spain

Sandy beach at low tide, Budle Bay, Northumberland, England, UK

A scenic view of a coastal town with a grassy hill, colorful beach huts, and people walking on the sandy beach under a cloudy sky.

Aerial of lake near Jericoacoara, Ceara, Brazil, South America

The limestone arch of Durdle Door and St. Oswald's Bay extending along the Jurassic Coast at dusk, UNESCO World Heritage Site, Dorset, England, United Kingdom, Europe

Beach near Terme Selinuntine, Sciacca, Agrigento district, Sicily, Italy, Mediterranean, Europe

Barcelona Beach, Barcelona, Catalonia, Spain, Europe

Waves roll onto the beach as dawn breaks beyond the Hicacos peninsula and long stretch of beach at Varadero, Cuba, West Indies, Caribbean, Central America

Coastal landscape with sandy dunes and a clear blue sky on a sunny day, Hastings, East Sussex, England, United Kingdom, Europe

Sandy beach, Berlenga Grande Island, Portugal, Europe

A scenic view of a coastal landscape featuring a castle on a hill, surrounded by rocky shores and a sandy beach. People are walking along the path and enjoying the scenery under a cloudy sky.

Sunj Beach, a popular sandy beach on Lopud Island, Elaphiti Islands (Elaphites), Dalmatian Coast, Adriatic Sea, Croatia, Europe

Mirissa, Sri Lanka, Asia

Tourist at Mirissa Beach, Matara District, Southern Province, Sri Lanka, Asia

Sunset from the sandy shores of Trevaunance Cove, St. Agnes, Cornwall, England, United Kingdom, Europe

Rockpools on sandy Coombesgate Beach at low tide, Woolacombe, Devon, England, United Kingdom, Europe

Praia do Felix beach, Ubatuba, Sao Paulo Province, Brazil, South America

A spring evening at Wells next the Sea, Norfolk, England, United Kingdom, Europe

Brightly coloured fishing canoes under coconut palm trees of tropical sandy beach, Mirissa, Sri Lanka, Asia

People enjoying sunny weather on sandy South Beach, Lowestoft, Suffolk, England, UK

Stilt fisherman, Mirissa, Sri Lanka, Asia

The dramatic cliffs and coastline near Algar de Benagil, Algarve, Portugal

Twilight on the sandy beach at Bedruthan Steps, North Cornwall, England, United Kingdom, Europe

Beautiful boulders on the sandy beach at Porth Nanven near Land's End, Cornwall, England, United Kingdom, Europe

Driftwood on Gillespies Beach, West Coast, South Island, New Zealand, Pacific

Sunset over Bedruthan Steps in spring, North Cornwall, England, United Kingdom, Europe

Windswept sand dunes on the beach in winter at Studland Bay, Dorset, England, United Kingdom, Europe

Marram grass on the sand dunes of Braunton Burrows, looking towards Saunton Sands, Devon, England, United Kingdom, Europe

Marram grass on the sand dunes of Braunton Burrows, looking towards Saunton Sands beach, Devon, England, United Kingdom, Europe

Studland Beach with views to Old Harry Rocks, Dorset, England, United Kingdom, Europe

Horseshoe Bay beach, Bermuda, Central America

Warwick Long Bay, Jobson's Cove, Bermuda, Central America

Horseshoe Bay beach, Bermuda, Central America

Rock formations on Doonshean Bay Beach, Dingle Peninsula, County Kerry, Munster, Republic of Ireland

Falconara castle, Licata, Agrigento district, Sicily, Italy

Preveli Beach, high angle view, Rethymno, Crete, Greek Islands, Greece

Preveli Beach, high angle view, Rethymno, Crete, Greek Islands, Greece

Preveli Beach, high angle view, Rethymno, Crete, Greek Islands, Greece

Preveli Beach, high angle view, Rethymno, Crete, Greek Islands, Greece

Eraclea Minoa beach, top view, Cattolica Eraclea, Agrigento district, Sicily, Italy

Riserva Naturale di Punta Bianca, Palma di Montechiaro, Agrigento, Sicily, Italy

Eraclea Minoa beach, Cattolica Eraclea, Agrigento district, Sicily, Italy

Riserva Naturale di Punta Bianca, Palma di Montechiaro, Agrigento, Sicily, Italy

Norman-Swabian Castle, Barletta, Barletta-Andria-Trani, Apulia, Italy

Beach at Cayo Santa Maria, Sol Cayo Santa Maria Resort, Cayo Santa Maria, Cuba, West Indies, Caribbean, Central America

Sandy Beach, Acadia National Park, Mount Desert Island, Maine, New England, United States of America, North America

Rockpools on the sandy shores of Bedruthan Steps at sunset Cornwall, England, United Kingdom, Europe

Sunset over the Atlantic Ocean, from the sandy shores of Bedruthan Steps beach, Cornwall, England, United Kingdom, Europe

Lounge chairs on beach and yacht, Maldives, Indian Ocean, Asia

Palm trees on beach, Maldives, Indian Ocean, Asia

Landscape near Balnakeil Bay, Sutherland, Highlands, Scotland, United Kingdom

Rockpools on the sandy beach at Dunraven Bay, Southerndown, Glamorgan, Wales, United Kingdom, Europe

Wide view of a sandy beach with people and dogs under a cloudy sky. The ocean stretches to the horizon in Whitby, UK.

View across the clear turquoise waters of Vrika Bay, Antipaxos, Paxi, Corfu, Ionian Islands, Greek Islands, Greece, Europe

Wategos Beach, at Byron Bay, on a beautiful blue day, hidden paradise, New South Wales, Australia, Pacific

Sandy beach at Cape Maclear, Lake Malawi, Malawi, Africa

A windy evening at Brancaster Beach, Norfolk, England, United Kingdom, Europe

Sandy shores of Sandymouth beach at low tide, Cornwall, England, United Kingdom, Europe

Cliff path from Cromer to Overstran, Norfolk, England, United Kingdom, Europe