Found in an 1889 edition of Badeker's Southern Italy this description of the Blue Grotto at Capri:
Blue Grotto. — A visit to the Blue Grotto from the Marina at Capri, where suitable light boats will be found, occupies 1 3/4 to 2hrs. The best light is between 10 and 12 o'clock. The authorised fare for the trip (there and back) is 1 1/4 fr. for each person, but almost no boatman will undertake it without an additional fee of 1-2 fr. The skiffs are not allowed to take more than three passengers. If the wind blows strongly from the E. or N. access to the grotto is impossible.The Blue Grotto is situated on the N. side of the island, about l 1/4 m. from the landing-place of Capri.
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