There are so many beaches in Lanzarote to choose from, that any sensible review needs to start by grouping them into areas, so that in planning a Lanzarote holiday, you can choose to be somewhere near the type of beaches you like.
The family resorts of Playa Blanca, Puerto del Carmen and Costa Teguise offer beaches that are very safe for bathing, with lots of water sports on offer. Venture further afield, perhaps to the north of the island, and a little more care is required, as currents can be strong. On the other hand, there is natural beauty to be found in many of the beaches that are more off the beaten track, and they are well worth exploring.
Surfing enthusiasts may head for the ocean rollers that pound the beach at Famara, whilst if windsurfing is your thing, Costa Teguise is also very popular, as it offers a good combination of wind and relatively safe seas close to the beach.