Best time to go
May to September, with April and October as weather-dependent shoulders
The best overlap of sea transport, dive operations, long daylight, island events, and gradually warmer water.
Main caution: Storm Disruptions.

Tide-timed wrecks, kelp-clad pinnacles, and wild Atlantic days around Lundy's grey seals
Overview
Lundy rewards divers who like British cold-water adventure with real expedition texture. Day charters normally run from Ilfracombe, while longer stays can use the island's booked-ahead compressor and changing facilities. Underwater terrain ranges from jewel-anemone walls and kelp gullies to historic wreckage, including the intact coaster MV Robert. Typical visibility is about 5 m to 12 m, with clearer spells after calm weather, but strong tidal streams make experienced skippers and precise slack-water planning essential.
The destination is generally best for intermediate to advanced divers. Selected shallow, guided seal trips can suit qualified Open Water divers after a cold-water readiness check. Snorkelers have a safer entry point in the Landing Bay, including summer warden-led safaris. The wider trip combines Lundy's protected marine landscape with North Devon beaches, coastal walks, bird migration, and Exmoor's dark skies. Plan for weather disruption, cold water, limited island services, and conservation rules that put wildlife distance and no-take behavior ahead of close encounters.
Lundy combines a long marine-protection history with an east-coast No Take Zone, protected habitats, wildlife-distance rules, and controlled access to designated wrecks.
One compact island holds sheltered seal bays, current-swept pinnacles, deep gullies, drift routes, and wrecks from shallow broken hulls to advanced slack-water objectives.
Top species linked to approved dive spots in Lundy and North Devon.
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Last updated: September 5, 2026 • 30 sources
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Resident grey seals may investigate calm divers and snorkelers, but encounters must remain passive, unforced, and compliant with Lundy's official wildlife code.
The MV Robert, Carmine Filomena, HMS Montagu, and other remains give repeat visitors several levels of historical diving.
1 linked spots
Best time to go
May to September, with April and October as weather-dependent shoulders
The best overlap of sea transport, dive operations, long daylight, island events, and gradually warmer water.
Main caution: Storm Disruptions.