Two kayaks exploring the edge of the bay failed to disturb a gull.

Several different colored kayaks were racked up and ready to rent.

Sometimes a mere group of three kayaks could appear as a veritable fleet.

A serious kayaker in a blue kayak paddled along the edge of San Francisco bay.

A kayaker watches the Queen Mary come in

A twin-hulled kayak

Two folks in a kayak drifted across placid Lake Merritt on a warm afternoon.

A woman paddled a blue one-person kayak on Lake Merritt on a breezy afternoon.

One kayak mock-battled with another mid lake. Actually they were trying to fend of an unfortunate collision.

Two kayaks passed each other after a brief collision on Lake Merritt.

As one of the demonstrations that afternoon, an inflatable kayak could be tried out while it rested on the dock.

The man wore a blue hat while rowing along side Treasure Island during the 2008 Summer Sailstice Festival.

Many rental kayaks were stacked alongside Pier 40 and ready to be rented. Note that Pier 40 is near the San Francisco Giants Ball Park.

Kayak lessons were being given on Richardson Bay that afternoon. Here was on instructor in a one-person kayak, and five pairs of students, each pair in a two-person kayak.

Two kayaks were paddled inland from the marina toward a bridge and into the slough. Along the way they would encounter huge rafts of sea otters.

On his way to see if he could catch a splash-down home run, this kayaker had a difficult time paddling into a strong head-wind that evening in McCovey Cove.

This man paddled his kayak both into the wind and into the setting sun to reach the back side of AT&T Park.