Sierra Star Estate, Incline Village, Lake Tahoe, Nevada, US, $49.9m
Where On the border of California and Nevada, less than an hour’s drive from Reno-Tahoe airport, with connecting flights to San Francisco international airport.
What A 4.3-acre estate on the shores of Lake Tahoe with four homes, two piers and a man-made waterfall. The main house has more than 10,000 sq ft of living space, with seven bedrooms, and is linked to guest houses via walkways through aspen, maple and pine trees.
Why The estate (which can also be bought as five separate lots) includes a car collector’s garage with 2,500 sq ft of living space above.
Who Chase International, tel: +1 775 831 7304
The Kitzbühel Estate, Austria, €35m ($46.8m)
Where Five minutes’ drive from the centre of Kitzbühel, 75km from Salzburg airport and 97km from Innsbruck airport, with direct flights to London.
What The largest private chalet estate in Kitzbühel, with 2,200 sq m of living space over four floors. Completed three years ago, the property has 11 bedroom suites as well as staff accommodation, an indoor and outdoor pool, spa and cinema room for 16 people.
Why There is world-class skiing in winter, water sports on the lakes in summer and four championship 18-hole golf courses nearby.
Who Savills Alpine Homes, tel: +44 20 7016 3740
Academy Gardens, Duchess of Bedford’s Walk, Kensington, London, W8, UK, £30m ($48.2m)
Where In a secure gated environment, near Holland Park and between Notting Hill Gate and High Street Kensington Tube stations.
What A five-bedroom, 6,000 sq ft apartment on the fourth and fifth floors, with a double-height reception room and a quadruple-aspect living room. The apartment block has landscaped gardens, underground parking and a communal pool and gym.
Why The current owner has installed polished limestone flooring, a multiroom audio visual system, acoustic plasterwork to minimise sound distortion, heated walls and underfloor heating.
Who Knight Frank, tel: +44 20 7938 4311
54-56 Wunulla Road, Point Piper, Sydney, New South Wales, Australia, A$55m ($58.2m)
Where 5km from Sydney’s central business district, 18km from Sydney international airport.
What An eight-bedroom, 10-bathroom waterfront manor with a private jetty, rooftop deck and terraces overlooking a heated pool. The property also comes with a cinema, billiards room and internal lift.
Why Point Piper is the most exclusive enclave in the country, and this house has 360-degree views, taking in Sydney Harbour Bridge and the Opera House, Double Bay to the west and Rose Bay to the east.
Who McGrath, tel: +61 2 9386 3333
Buck Island, British Virgin Islands, Caribbean, $50m
Where Off the southeast coast of Tortola, close to Beef Island airport, which has private jets and commercial flights to San Juan and Puerto Rico.
What A private 43-acre island with a main residence and separate houses. In total, there are 12 bedrooms and nine bathrooms and the private beach has moorings and a watersports building.
Why Excellent swimming and snorkelling. The island is only 1,000ft from the mainland of Tortola, and includes an additional acre of land there with beach frontage, two docks, a three-bedroom residence and gate house.
Who Knight Frank, tel: +44 20 7861 1097