King & California King

King Mattresses in Blue Springs

Maximum room to spread out — for couples, co-sleeping kids, and pets who take more than their share. Try one today.

Kings from $225 • In stock today

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Maximum Space

Room for two, plus kids and pets who pile in.

From $225

King and cal king sets at clearance pricing.

Take It Home Today

In stock now — load it up the same day.

About King Mattresses

The Most Personal Space You Can Get

A standard (Eastern) king measures about 76" x 80" — roughly the same length as a queen but about 16" wider, so two people each get close to the width of a twin. It's the top pick for couples who want their own space, and for families where kids or pets end up in the bed.

Prefer a longer, narrower footprint? A California king runs about 72" x 84" — a little slimmer but 4" longer, ideal for taller sleepers. Bring your room dimensions and we'll help you choose between them. Both come in plush, firm, hybrid, and memory foam, all in stock and priced below retail.

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King Mattress Questions

Good To Know Before You Visit

What are the dimensions of a king mattress?

A standard king is about 76" wide by 80" long. A California king is about 72" wide by 84" long — a little narrower but 4" longer, which suits taller sleepers.

How much does a king mattress cost at BoxDrop Blue Springs?

King and California king mattresses start at $225. As a clearance showroom, our models and prices change weekly — stop in to see what's in stock.

King or California king — which should I get?

Choose a standard king for the most width, or a California king if you're tall and want extra length. Bring your bedroom measurements and we'll help you decide in person.

Can I take a king mattress home the same day?

Yes. Everything is in stock — take it home today, or ask about fast local delivery for the larger sets.

Flexible Payment Option

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