Let me guide you...
1. Melidoni
Pros: Safe from wind, crystal clear water, beach bar, umbrellas, parking area
Cons: The road as it has a lot of turns, no space for free
Tips: Great choice the quit months (May, June, September). Children can swim safely as the first 2m are very shallow. Please swim to the bay on the right..just magic
2. Kaladi
Pros: White big pebbles (much cleaner than sand-if you love sand move it to cons..), rocks for climbing and diving, beach bar on the top of the road to fill with the necessary snacks and cocktails
Cons: 82 steps for paradise, parking area (during August play it safe and leave your car a little higher than the stairs)
Tips: Two smaller bays on right and left of the main beach add choices and room during the crowded month of August
3. Kombonada
Pros: The beach chairs, plenty room, easy access, cheerful staff
Cons: Quite windy spot, deep water not ideal for families
Tips: Ask locals for the wind of the day as it shall be totally calm to enjoy it's beauty
4. Palaiopoli - Limni
Pros: Quiet, wild beauty, next to Avlemonas one of the most romantic place of the island
Cons: The beach has pebbles all over so bring with you straws and beach towels in order to be able to enjoy all day the beautiful water
Tips: Nudist part of beach / Take a photo of the stones in front of you & you will be able to see some ancient faces / There is a water passage between the two beaches where you can swim / Among the last stones there is a hidden cave with shining crystal blue water
5. Chalkos
Pros: One of the most calm and beautiful beaches of Kythera
Cons: Very small with no free room unless you be one of the first 10 people that arrive (almost impossible during August)
Tips: Explore with canoe or sup the caves all around, ideal to learn to your kids to swim or even dive from medium high rocks
6. Kakia Lagkada
Pros: Next to Agia Pelagia - next to food! , small part organised, beach volley area, great cocktails
Cons: Very windy spot of the island - ask locals to find the right day
Tips: Next to Kakia Lagkada Canyon (must do), cave of Aphrodite on the left side, if you are lucky you may enjoy one of the best summer parties
7. Diakofti
Pros: The most sandy beach of the island, crystal water, beach volley area
Cons: Actually we are talking about the island's port, a little too sallow water
Tips: The best choice for families with little kids, try canoe under the bridge and explore the caves on the left
8. Kapsali
Pros: Crystal clear water, canoe & sea bicycles available, plenty of food choices around the beach
Cons: A little too touristic place fo
Tips: Do not forget to visit Chytra and Sparagario! Chytra with the glass bottom boat & Sparagario with a rent canoe.
9. Fyri Ammos
Pros: Wild beauty with red sand and deep green water. It is a very long beach with organised and free area too.
Cons: Small parking area and very deep water. Very windy side of the island.
Tips: If you arrive early you will be able to park next to the beach!
10. Fourni
Pros: THE FOOD!! A small pirate beach with beautiful water and very very nice food from the kiosk.
Cons: The road can be considered as a disadvantage as it has a lot of turns.
Tips: Don't forget the must have photo on the hammock on the right side and into the sea.
11. Avlemonas
Pros: It is called by the locals, the beauty of Kythera and, it leaves up to the expectations. One of the most romantic places.
Cons: Very very crowded during August it will be almost impossible to swim in the main bay.
Tips: The side that is hidden after the touristic road is a beautiful fishing spot where you can buy fresh fish really early in the morning or enjoy the full moon of August at nights in Arachtopoleio music bar.
12. Kalami
Pros: Quiet and wild it is the perfect beach for more alternative vacations.
Cons: It gets too crowded and due to the small size of the coastline, this can be a problem. 20' of walking and few seconds hanging from a rope.
Tips: Try reaching the beach by canyoning with Outdoor Activities Greece and Vrettos as your guide!