Ko Khrok
Approximately 8 kilometers off of Pattaya Beach is Ko Khrok, an isle almost totally surrounded by rock formations. A gap of 100 meters to the east is a stretch of sandy beach where visitors can go and enjoy viewing underwater coral reefs. This island can be reached by chartered boat from South Pattaya. (As this is a private island, permission to enter must be obtained beforehand)

Ko Lan
Lying about 7.5 kilometers off of Pattaya by a 45-minute ferry or 15 minutes by speed boat ride, the island measures 2 kilometers by 5 kilometers and offers several white sandy beaches, notably Hat Ta Waen, Hat Laem Thian and Hat Thong Long, the latter facing coral reefs. Visitors can choose either snorkeling or viewing the coral from glass bottom boats. Ferries to the island leave South Pattaya pier daily from 10.00 a.m. to 6.30 p.m. Cruises by sailing junks, with lunch provided are also available

Ko Phai
Two hours or 23 kilometers from Pattaya are the Ko Phai Islands, the largest of which is Ko Phai. The other islands include Ko Manwichai, Ko Luam and Ko Klungbadan. The area is under the supervision of the Royal Thai Navy, however, visitors are allowed to stop by during the daytime for swimming, relaxation or diving. Overnight stays are not permitted.

Ko Sak
Located approximately six hundred meters further from Ko Lan, or about 10 kilometers from Pattaya is Ko Sak a small island shaped like an upturned horse-shoe. There are two connecting beaches to the north and south. Moreover, along the south shore are coral ranges. Ko Sak can be reached by chartered boat from South Pattaya.