For a mere $7,495 per month a 2-bedroom castle can be yours. Designed by Hengry Gutterson and built in 1921 to replicate a French fortress, "this unique house exudes characteristics of the quintessential medieval castle." Yes, there's a turret (and it has a bell).

A whale would do well to live in another peninsula home with a guest house – like this one in Atherton, with 6 beds, 8 baths for $35,000 per month. The grounds are lush, the ceilings are high, and there’s space to park 7 cars if you’re the kind of rich person who’s into wheels.

We think any whale wants to be perched high atop a hill so he or she can overlook all the real estate they want to eventually buy up, so we thought this Russian Hill full floor penthouse was perfect for the Whale Wannabes. There's even mention of being able to catch more than a glimpse of the America's Cup race. The 3-bed, 2-bath, 2,700 sq. ft. penthouse comes with two parking spaces and is going for $12,000 per month.

This super slick 3-level, 4-bed, 3-bath, 2,800 sq. ft. condo has parking for 3 cars. A nice advantage for the Wannabe Whale who's actually broke: the condo comes fully furnished with the latest contemporary offerings. Rent's $8,995 per month. The bad news: $8,995 and it still has a no pet policy.

Over in Oakland there's a 5-bed, 6-bath, 7,000 sq. ft. home that's going for $14,495 per month. The ultra contemporary mansion is super slick and has views galore.

$25,000 per month gets you up close and personal views of the Ameica's Cup, and you'll be within walking distance of all the on land action. The rental is a 4-bed, 2-bath, 2,652 sq. ft. house.

For $10,000 a month you can get a condo that's been "fully remodeled to reflect an ultra modern, high-end style with top of the line finishes." The building has a 24-hour doorman. Pets are considered, but only if they're under 20lbs.

If city living isn't your thing and you don't want a sprawling estate in either of the Valleys, perhaps this custom home near the redwood trees in Kentfield will do? The 4-bed, 4-bath home is asking $7,500 per month. There's an additional unit with a full bathroom and a separate entrance on the property.

For the well-heeled Wannabe Whale who seeks traditional furnishings and timeless property highlights like parquet flooring throughout and a 24-hour doorman. This 3-bed, 3-bath, 2,400 sq. ft. penthouse wants $11,000 per month and is in one of Pacific Heights' most coveted buildings.

Unit 41E in Tower II of the Infinity is a 3-bedroom, 2-bath condo that's 1,563 sq. ft. There's two balconies. The unit's going for $9,000 per month.

This contemporary abode has 'trimless walls and black parquet floors," which we're really digging. $13,500 a month gets you a 4-bed, 4-bath, 3,500 sq. ft. single-family home. "There's a private lounging space outside of the Master Bedroom" and a "Zen-like yard."

This prestigious piece of property in Marin County is being described as a "majestic, park-like estate." It has Mt. Tam views on roughly 1.42 acres. The Italian marble throughout was installed by European artisans. The grand entry is bigger than most San Francisco apartments. $25,000 per month gets you this home, which has four bedrooms and 8 bathrooms.