Lake Winnipesaukee - Islands

Islands

There are at least 253 natural islands on Lake Winnipesaukee that are at least 3 feet (0.9 m) above lake level and contain vegetation, about 130 of which are over .25 acres (0.10 ha) in size. 26 of these are 25 acres (10 ha) or larger:

• Long Island—1,186 acres (480 ha)
• Bear Island—780 acres (320 ha)
• Cow Island—522 acres (211 ha)
• Governors Island—504 acres (204 ha)
• Rattlesnake Island—368 acres (149 ha)
• Welch Island—187 acres (76 ha)
• Little Bear Island—143 acres (58 ha)
• Stonedam Island—141 acres (57 ha)
• Timber Island—136 acres (55 ha)
• Sleepers Island—113 acres (46 ha)
• Mark Island—102 acres (41 ha)
• Black Island—90 acres (36 ha)
• Barndoor Island—88 acres (36 ha)
• Black Cat Island—75 acres (30 ha)
• Pine Island—74 acres (30 ha)
• Whortleberry Island—69 acres (28 ha)
• Sandy Island—67 acres (27 ha)
• Jolly Island—50 acres (20 ha)
• Three Mile Island—47 acres (19 ha)
• Round Island—43 acres (17 ha)
• Lockes Island—42 acres (17 ha)
• Diamond Island—37 acres (15 ha)
• Dow Island—32 acres (13 ha)
• Big Beaver Island—30 acres (12 ha)
• Camp Island—28 acres (11 ha)
• Mink Island—26 acres (11 ha)
• Birch Island—25 acres (10 ha)

Five islands are connected to the mainland by bridges (Black Cat, Governors, Long, Oak, and Worcester), and another eight (Bear, Birch, Cow, East Bear, Jolly, Loon, Three Mile, and Sandy) are serviced by the U.S. mailboat M/V Sophie C.