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Scuba diving, coastal trips, bird watching, dolphin & seal spotting - experienced boat charters discovering the beautiful hidden coastline of North Wales

North Wales Diving

From tidal pinnacles and cliffs, to sheltered reefs and bays. Being at the crossover from Southern species to Northern species means that North Wales has incredible diversity of marine life.


Waterline gives a personal approach. Our diving trips are individually tailored to each groups requirement. The optimum number of divers is six, however if needed we can facilitate from 4 to 12 divers (shuttle). North Wales has diving to suit all levels of experience. The diving around the Llyn is mainly scenic and marine life.


If you want to holiday in North Wales and diving is one of many activities you wish to do, or if you have a small group and don't want to hire a large hard boat, or if you simply don't want to tow your own or club boat, then Waterline is just the operator for you. Being a RIB means that we are able to switch coasts in bad weather and still get you diving when other boats have to remain in harbour!

Dive Schools

Waterline can offer a service that allows you to concentrate on training and your pupils' well being. We can put you on sites to take account of your trainees experience and ability, and also provide excellent underwater scenery.

Waterline recommends the following two books to help you get the most from diving in North Wales:

Underwater Guide to North Wales (by Chris Holden)
It gives detailed accounts of shore and boat sites and is a must for anyone intending to dive the area.

Contact Calgo Publications to purchase copies.

A Field Guide to the Marine Fishes of Wales
(by Paul Kay and Frances Dipper)
An excellent guide to anyone that sees fish, and wants to identify them form the smallest to biggest you will see in North Wales.

Contact the Marine Wildlife Photo Agency to purchase copies.