The restaurant by the water
43.703316°N 7.312097°E

Michael Caine as Lawrence Jamieson and Anton Rodgers as Inspector Andre

Steve Martin in car in front of hotel
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The Hotel was the La Saint Pierre

Michael Caine watches Steve Martin pull into town while sitting at a restaurant. The hotel where Martin stops his car with the woman is right across the street from this point.

Dirty Rotten Scoundrels (film)

Dirty Rotten Scoundrels is a 1988 American comedy film directed by Frank Oz and starring Steve Martin and Michael Caine. The screenplay by Dale Launer, Stanley Shapiro, and Paul Henning focuses on two con artists who ply their trade on the French Riviera. Although it is not officially credited as a remake of Bedtime Story, it closely follows the plot of the 1964 film starring David Niven and Marlon Brando.

• http://en.wikipedia.org/wiki/Dirty Rotten Scoundrels (film)