Ko Larn lies roughly 7.5 kilometres off Pattaya's shoreline, and it is a settled island with temples, switchback roads and a permanent population — not a staged day-trip backdrop. The three islands that anchor most pattaya exclusive 3 island catamaran tour with buffet lunch tours — Ko Larn, Ko Sak and Ko Krok — form a compact archipelago in the upper Gulf of Thailand. Each is a granite outcrop skirted by shallow coral. Ko Sak measures barely 400 metres end to end. Ko Krok, the smallest, remains largely uninhabited. Pattaya itself was a fishing village of a few hundred households until 1959, when American servicemen stationed at Korat drove south and camped on the bay. Tourism followed the road. The marina culture came later: Ocean Marina Yacht Club opened at Na Chom Thian in 1994, and its several hundred berths made it one of the largest marinas in Southeast Asia. From that basin, sailing catamarans replaced much of the older long-tail and speedboat traffic on the Ko Larn run. Twin hulls draw little water. They sit flat at anchor, which is why a buffet table can be laid at sea without sliding. These waters matter now for reasons beyond leisure. Coral cover around Ko Sak and Ko Krok has thinned under decades of anchor damage and warming water, and mooring buoys have been installed at the main snorkelling grounds to keep hulls off the reef. Ko Larn's Tawaen and Samae beaches absorb the bulk of visitor pressure; the quieter western coves take far less. Sailing itineraries and Pattaya island-hopping cruises spread arrivals across a wider stretch of coast than the mass ferry from Bali Hai Pier ever did. The archipelago is small enough that distribution is the whole conservation question. The vessels are worth attention in their own right. A cruising catamaran of twelve to fifteen metres carries a shallow draft, often under 1.5 metres, which allows it to anchor inside coves that a monohull must skirt. Trampoline netting between the bows serves as open deck. Galleys are large enough for a full Thai buffet service. A pattaya exclusive 3 island catamaran tour with buffet lunch tour is, in engineering terms, a floating pavilion moored above a reef — the Gulf's answer to a beach club without the beach.