Edge Retreats is a collection of the world's best luxury villas with over 4000 properties in 50 countries.
Among these are a number of luxury private island resorts
Tagomago Private Island, Balearics
Located 900 metres off the coast of Ibiza and 30 minutes from the beaches of Formentera, this Mediterranean island covers 148 acres and has a five-bedroom villa in the centre of the island.
www.tagomago-island.com
Dolphin Island, Fiji
This 14-acre private retreat sleeps just eight guests across four Bures - the Fijian term for a traditional wood and straw lodge.
Located 20 minutes from the shore and offers diving, kayaking, fishing and a spa.
Coco Privé Kuda Hithi Island, Maldives
Coco Privé Kuda Hithi Island is home to the Palm Residence, a retreat consisting of a master-bedroom, private jacuzzi and cocktail bar, as well as a wine cellar and library.
There are also five additional one-bedroom villas, with a personal lifestyle host, chef, spa therapist and dive master on hand throughout a stay.
Island activities include water skiing, paddle boarding, snorkelling and scuba diving.
Musha Cay, Bahamas
Spread over 700 acres, Musha Cay, owned by magician David Copperfield, and offers five guesthouses with their own private beaches.
Musha Cay's flagship property, Highview, sits atop the island's highest point with 360-degree views over uninhabited neighbouring islands, expansive gardens, steam room and outdoor fireplace for romantic nights alfresco.
Dining can be enjoyed around the island, from sandbanks to hidden coves, and there are island-wide treasure hunts and an open-air cinema.
Thanda Island, Tanzania
Thanda Island, which opened in 2016 is reached via a 40-minute helicopter flight from Dar es Salaam and is one of the world's most exclusive private islands.
It offers a five-bedroom luxury villa and two rustic Tanzanian Bandas across a spit of sand in the middle of the Indian Ocean.
The owners of Thanda Island, Christin and Dan Olofsson of Sweden, built the villa as their own retreat and it comes complete with an indoor aquarium, Steinway grand piano, wine collection, cigar humidor and glass rim-flow swimming pool.
The Brando Private Island, French Polynesia
Marlon Brando's island hideaway is a unique luxury resort on French Polynesia's private island of Tetiaroa.
This is an atoll composed of a dozen small islands surrounding a lagoon 30 miles northeast of Tahiti.
With access only by private plane, the resort features 35 deluxe villas each with its own private beach area and plunge pool.
Restaurants showcase local and French cuisine and there is a luxurious Polynesian spa, The Brando .