Once you've found out where to stay, what to do and what to eat in the Lazio region, it's time to calculate how much a holiday for two in Gaeta will cost. To get to the Tyrrhenian Sea coast, you'll need at least 650 EUR for two people, including transfers and connections in connecting cities.
Further, as for the price of accommodation in Gaeta, put aside about 900 EUR for a 3-4 star hotel, not the most expensive one. And one more thing about food: if your accommodation does not include full board, judging by the reviews about holidays in Gaeta, you should set aside 350 EUR for a daily dinner for two at a restaurant. Don't forget about excursions - 260 EUR, as well as souvenirs and other attractions - 150 EUR.
In the end, you'll get an approximate total of 2400 EUR for a couple's holiday in Gaeta.