Leo Shimon Marsh Boat Ramp

Leo Shimon Marsh Boat Ramp is a public access point in Pocahontas County, Iowa, providing access to Sunken Island Lake. It sits within the Little Cedar Creek watershed.

Sourced from Iowa Department of Natural Resources . Last checked against the source on July 7, 2026.

Boat ramps on Sunken Island Lake

Leo Shimon Marsh Boat Ramp is the only public boat ramp we have on record for Sunken Island Lake. Smaller creeks and coves sometimes have unofficial or private access points we haven't verified yet — if you know of one nearby, help us add it.

Other boat ramps in Pocahontas County

Pocahontas County tracks 4 public boat ramps in total, spread across several different rivers, creeks and lakes — not just Sunken Island Lake. Each one below shows which waterbody it's on, so you can tell at a glance whether it actually connects to the same water as Leo Shimon Marsh Boat Ramp or leads somewhere completely different.

• Leo Shimon Marsh Sunken Island Lake less than 0.1 mi away
• Little Clear Lake Little Clear Lake 7.1 mi away
• Lizard Lake Lizard Lake 21 mi away
• Lizard Lake Lizard Lake 21 mi away