Cocktail attire (a suit for men, and a cocktail short dress for women; preferably not career wear).
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Day time.
Men: Wear khakis or similar pants with shirts. Polo style shirts and pullover sweaters are appropriate. Loafers or comfortable shoes.
Women: slacks, combined with blouses or tops. Flat comfortable shoes. Note about the dress code for Tour Group #4– make sure shoes have good traction.
Night time. Country club casual
Men: Trousers, dressy jeans, sport shirt, knit polo shirt, a sweater or sport jacket optional.
Women: Trousers, Capri pants, knee length city shorts, dressy jeans, sweater set.
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Business casual.

You may:
Bring a bathing suit - the hotel has a swimming pool